Money Research

Connected timeline · 4600 BCE – 2026 · 420 entries

A connected monetary timeline

Trace the key moments that shaped money—from early coins and gold standards to modern currencies and Bitcoin. The timeline brings these developments together in chronological order.

  1. Varna necropolis, Bulgaria: ~3,000 gold objects, ~6 kg — Oldest worked gold; gold as rank and burial treasure
  2. Egypt mines Nubian gold — Royal and diplomatic treasure; Egyptian accounts also used weighed metal
  3. Mesopotamia prices goods in silver shekels — Silver by weight as a unit of account
  4. Royal Cemetery of Ur (Puabi's headdress) — Gold as royal/funerary display in Sumer
  5. Code of Hammurabi sets fines in silver — Silver-by-weight legal money
  6. Mycenaean shaft graves ("Mask of Agamemnon") — Aegean gold
  7. Amarna letters: "gold in Egypt is as common as dust" — Gold as diplomatic currency between kings
  8. Tutankhamun buried with ~110 kg gold coffin, 10 kg mask — Gold as "flesh of the gods"
  9. Turin Papyrus gold-mine map — Oldest geological map; state-run mining
  10. Etruscan gold dental work — Non-monetary technical use
  11. Lydia strikes first coins, in electrum — Invention of coinage
  12. Alyattes' lion-head electrum coins — First sovereign mark on money
  13. Punch-marked silver coins in India — South Asian coinage begins
  14. Croesus issues separate gold and silver Croeseids; their precise legal exchange rate remains under review. — Early paired coinage, with mint relationship requiring numismatic evidence
  15. Persia conquers Lydia, keeps coinage — Coinage becomes imperial
  16. Darius I's gold daric and silver siglos — First empire-wide gold coin
  17. Athens melts temple gold for emergency coins — Greek gold coin as emergency issue
  18. Philip II's gold staters from Pangaion — Macedonian gold
  19. Alexander captures Persian treasuries and strikes substantial gold and silver coinage; ancient talent totals are uncertain. — Expanded coin supply; size and price effects remain uncertain
  20. Qin unifies China; round bronze ban liang cash — China's bronze-cash path; gold as ingot not coin
  21. Roman silver denarius introduced — Rome's everyday money
  22. Julius Caesar regularizes the gold aureus — Rome's gold coin
  23. Augustus: 1 aureus = 25 denarii = 100 sestertii — Roman tri-metallic system
  24. Proposed hybrid consensus; prototype/feature-net work — Approved specification, mainnet activation evidence, and observed operation
  25. Development/testnet evidence; not assumed a live universal asset layer — Explicit activation and supported production workflows
  26. Not established by Ironwood recoverability — Complete security scope, implemented recovery/migration design, and deployment
  27. Not established — Sustained realistic load and end-user reliability measurements
  28. Kushan gold dinaras in India — Indian gold coinage
  29. Trajan conquers Dacian gold — Roman mining boom
  30. Roman silver coinage loses fineness; later low-silver issues are principally antoniniani, a denomination distinct from the denarius. A single denarius-fineness series from ~95% to <5% is not established here. — Debasement and currency instability, with scale and price effects requiring period-matched evidence
  31. Proposed long-term funding and issuance changes — Deployment evidence and final economic parameters
  32. Constantine's gold solidus, 4.5 g — Seven centuries of stable gold coin
  33. Solidus/bezant as Mediterranean world money — "Dollar of the Middle Ages"
  34. Abd al-Malik's Islamic dinar (4.25 g) and dirham — Aniconic Islamic gold coinage
  35. Charlemagne's silver penny reform — Western Europe gold-free for ~500 years
  36. Song China issues jiaozi paper money — First paper money, backed by bronze cash
  37. Byzantine solidus debased; hyperpyron reform 1092 — Reserve currency lost through debasement
  38. Florence strikes the gold florin — Gold returns to Western Europe
  39. Venice strikes the gold ducat (unchanged to 1797) — Longest-lived European gold coin
  40. Mansa Musa's hajj brings substantial Mali gold through Cairo; medieval accounts describe a change in its local value, but the tonnage and duration of any price effect are uncertain. — West African gold enters Mediterranean exchange; wider market effect unverified
  41. England's gold noble — English gold coinage
  42. English gold sovereign — Ancestor of the modern sovereign
  43. Spanish conquest; Atahualpa's ransom (~6 t gold) — American gold plunder
  44. Sher Shah Suri's silver rupee — India's silver money for 350 years
  45. Henry VIII's Great Debasement (silver) — Gold kept honest, silver not
  46. Potosí silver discovered — American silver dwarfs gold; price revolution
  47. English guinea — Named for African gold
  48. Bank of England founded — Central bank issuing notes against metal
  49. Newton fixes guinea at 21s (15.2:1) — Accidental British gold standard
  50. US Coinage Act, bimetallic dollar at 15:1 — US bimetallism
  51. Bank of England suspends gold payments — First modern fiat interlude
  52. UK Coinage Act: gold sole standard, sovereign 7.32 g — First legal gold standard
  53. US ratio changed to 16:1 — US drifts to de facto gold
  54. California and Australian gold rushes — World gold stock surges
  55. Latin Monetary Union at 15.5:1 — Last great bimetallic bloc
  56. Germany adopts gold mark with French indemnity — Continental shift to gold
  57. US Coinage Act demonetizes silver dollar — "Crime of '73"
  58. US resumes gold payments — US on gold in practice
  59. Witwatersrand discovered — South Africa becomes top producer
  60. India closes mints to silver — Silver's collapse felt in Asia
  61. Bryan's "Cross of Gold" speech — Silver's political campaign for remonetization
  62. Klondike gold rush — New gold discoveries
  63. Russia and Japan adopt gold — Gold-standard adoption expands among major economies; not universal
  64. US Gold Standard Act, $20.67/oz — Gold standard formalized in US
  65. Belligerents suspend gold on outbreak of war — End of classical gold standard
  66. Britain returns to gold at pre-war parity — Overvaluation and deflation
  67. Britain leaves gold (September) — Interwar system collapses
  68. US Executive Order 6102: private gold surrendered — Gold coin leaves circulation
  69. US Gold Reserve Act: $35/oz — 41% dollar devaluation
  70. China leaves silver — Last major silver-standard country
  71. Bretton Woods: dollar at $35, others pegged to dollar — Dollar becomes gold's proxy
  72. Triffin analyzes a conditional reserve-liquidity and dollar–gold conversion tension within Bretton Woods. — Additional foreign-held dollars could support reserves while increasing official conversion claims; alternative liquidity arrangements and outcomes remained possible
  73. London Gold Pool — Failed attempt to cap gold price
  74. Two-tier gold market — Official vs market price split
  75. IMF creates SDRs ("paper gold") — Synthetic reserve asset
  76. The NASD Automated Quotations system (Nasdaq) launches as an electronic market-quotation network. Nasdaq history — Electronic market quotes spread to dealers
  77. Nixon closes the gold window — End of gold convertibility
  78. Intel announces the 4004 programmable microprocessor as an available product. Intel history — Computing technology advances outside monetary policy
  79. Smithsonian Agreement realigns the dollar's official gold price to $38/oz and adopts ±2.25% currency bands. — A multilateral realignment; major currencies later float in March 1973 after further pressure, without one demonstrated sole cause.
  80. Bangladesh independent (taka 1972) — First new state and currency of the era
  81. European central banks introduce the “snake in the tunnel” intervention mechanism, narrowing participating currencies' exchange-rate bands. ECB archives, CoG 3.2 — Europe seeks regional exchange-rate stability
  82. CME's International Monetary Market launches seven currency-futures contracts. CME product history — Floating-rate risk spurs hedging contracts
  83. Major currencies float — Major fixed exchange-rate parities give way to floating
  84. Dollar devalued again, to $42.22 per ounce — Smithsonian realignment fails
  85. Chicago Board Options Exchange opens for listed stock-options trading. Cboe history — Standardized exchange-traded options
  86. Fischer Black and Myron Scholes' “The Pricing of Options and Corporate Liabilities” is published in the Journal of Political Economy. Original journal record — Option-pricing model appears in print
  87. SWIFT is incorporated in Brussels as a bank-owned cooperative; its messaging service goes live in 1977. Swift By-laws, p. 1; Swift history — Bank messaging is distinct from transfer and settlement
  88. The Yom Kippur War and an Arab-oil-exporter embargo begin an oil-supply shock. — Oil pressure and stagflation follow, rather than cause, major-currency floating in March 1973.
  89. US–Saudi economic-cooperation commission established — Oil-revenue recycling, not dollar-for-oil redemption. GAO, 1979
  90. Herstatt Bank fails — Foreign-exchange settlement risk; one currency leg can settle without the other. BIS, 2026
  91. G10 central-bank governors create the Committee on Banking Regulations and Supervisory Practices, later called the Basel Committee, after the Herstatt and Franklin National failures. BIS history — Bank supervision coordinates across borders
  92. US private gold ownership legal again — A separate US domestic legal change
  93. The UK's Retail Prices Index long-run series records 24.2% annual inflation. ONS series CDSI — A UK price-index measure, separate from decolonisation events
  94. Mozambique becomes independent of Portugal. UN report — Statehood does not itself date the issue of a new currency
  95. Rambouillet, first G6 summit — Summit governance of money
  96. Angola's independence from Portugal takes effect. Original proclamation in UN records — Statehood and monetary-system changes need separate dates
  97. Suriname becomes independent of the Netherlands. UN country report — Statehood is separate from currency-law chronology
  98. The IMF approves a UK stand-by arrangement of SDR 700 million. IMF lending history — Arrangement approval precedes the UK draw in May 1976
  99. BankAmericard adopts the Visa brand name. Visa history — Card-network branding is separate from IMF lending
  100. Jamaica Accords agree IMF gold-rule changes (in force 1978) — Gold ceases to be the common denominator of IMF par values, not an official reserve asset everywhere
  101. The UK draws SDR 700 million under its December 1975 IMF stand-by arrangement. IMF Annual Report 1976 — Draw under an existing arrangement, separate from the larger January 1977 approval
  102. The UK Chancellor sends the IMF a letter of intent describing a stabilisation program. IMF account — Negotiation and policy commitments precede approval of the new stand-by arrangement
  103. The IMF approves a two-year UK stand-by arrangement of SDR 3.36 billion. IMF lending history — Approval is distinct from the May 1976 draw under the earlier arrangement
  104. "Carter bonds" in DM and francs; dollar crisis — Dollar credibility at its low
  105. Iranian Revolution; second oil shock — Oil to $35–40
  106. European Monetary System / ERM — Bridge to the euro
  107. Volcker appointed; 6 Oct reserve-targeting shift — Fiat currency gets a credible anchor
  108. Soviet invasion of Afghanistan; Carter Doctrine (Jan 1980) — US commits to defend the Gulf
  109. Gold peaks at $850 — Inflation-era high
  110. President Carter signs the U.S. Depository Institutions Deregulation and Monetary Control Act. Original statute; Federal Reserve history — Deposit-rate ceilings phase out gradually; reserve and Fed-service rules also change
  111. Zimbabwe becomes independent. UN special committee report — Statehood and later monetary arrangements are separate events
  112. Armed conflict between Iran and Iraq escalates into war; the UN Security Council calls on both sides to cease force on 28 September. Resolution 479 — The 1980 escalation is distinct from the 1984–88 tanker war and 1986 oil-price collapse
  113. The effective federal funds rate is 20.05% in the Federal Reserve's daily series, following the 1979 operating-framework shift. St. Louis Fed daily data — A high-rate observation, separate from tax legislation and derivatives
  114. IBM and the World Bank enter an early formal currency swap; the World Bank dates its first interest-rate swaps to 1985. World Bank Treasury history; World Bank August-date account — Cross-currency financing innovation, not an interest-rate swap
  115. Reagan signs the Economic Recovery Tax Act, Public Law 97-34. Original statute — Fiscal tax changes add to the early-1980s policy mix
  116. Mexico announces it cannot pay — Latin American debt crisis; lost decade
  117. Garn–St Germain Act — S&L deregulation
  118. Hong Kong introduces its linked exchange-rate system, fixing the Hong Kong dollar at HK$7.80 per US$1. HKMA history — A national exchange-rate arrangement, not a universal peg model
  119. Plaza Accord — Dollar down 40%; Japan bubble
  120. The Single European Act is signed by EC members on 17 and 28 February; it enters into force on 1 July 1987. Council treaty record — Treaty signature precedes its legal effect and capital-market provisions
  121. EIA's U.S. crude-oil first-purchase monthly average falls to $9.25 per barrel amid the oil-price collapse. EIA historical series — A named U.S. purchase-price measure, not a world spot benchmark or a Soviet-finance estimate
  122. London's stock-market “Big Bang” reforms take effect. Bank of England Annual Report 1987 — Securities-trading deregulation is distinct from the EC treaty and oil-price cycle
  123. Louvre Accord — Attempt to stabilise dollar
  124. Black Monday, Dow −22.6% — Greenspan put born
  125. Basel I — 8% capital rule
  126. John Williamson coins “Washington Consensus” for a ten-topic account of policy advice directed at Latin America. Williamson's retrospective; original paper — A named account of claimed advice, not a formal IMF or World Bank adoption event
  127. U.S. Treasury Secretary Nicholas Brady announces a debt-reduction approach for heavily indebted countries; actual Brady-bond exchanges follow later. IMF history — A sovereign-debt strategy, not a same-day emerging-market bond issuance
  128. The Delors Committee submits its report on economic and monetary union in the European Community. ECB archives — Proposed path to monetary union, separate from later treaty enactment
  129. East German border crossings open to West Berlin after the announcement that evening. German federal chronology — The Wall's opening precedes German monetary and political reunification
  130. The Reserve Bank of New Zealand Act 1989 receives assent; the statute commences on 1 February 1990. Official law, historical version; RBNZ history — Legal framework precedes the first 1990 Policy Targets Agreement
  131. Nikkei peaks at 38,915 — Japan's bubble top
  132. Balcerowicz Plan, Poland — First post-communist stabilisation
  133. New Zealand's first Policy Targets Agreement sets a path to 0–2% inflation by 1992. Reserve Bank of New Zealand — Inflation-target agreement follows the Act's commencement; the target was not invented on the Act's assent date
  134. Namibia becomes independent after a UN-supervised transition. UN Namibia — Independence precedes Germany's monetary and political union; no Namibian currency launch is inferred
  135. The Deutsche Mark becomes legal tender in East Germany. Recurring wages, pensions and rents convert 1:1; cash and deposits convert 1:1 only within age-based caps, then 2:1. German government chronology — Monetary, economic and social union precedes political reunification
  136. Iraq invades Kuwait; Gulf War; oil $40 — Allies pledged about $54 bn toward estimated $60–61 bn incremental operation costs; by 31 July 1991 GAO counted about $44.5 bn cash and in-kind contributions, plus $1.6 bn received by DOD. Pledges, estimates and payments differ. GAO
  137. East and West Germany reunify politically as the Unification Treaty takes effect. German government chronology — Political reunification is distinct from July monetary union
  138. Argentina's Convertibility Law takes effect at 10,000 australes per U.S. dollar; the peso does not replace the austral until 1 January 1992. Argentina Law 23,928; IMF event chronology — Dollar-linked convertibility starts before the peso denomination
  139. The Soviet Union formally dissolves. — The former republics' ruble-zone and currency choices follow on different dates.
  140. Russia's overall consumer-price inflation increases 2,508.8% from December 1991 to December 1992. — The December-to-December CPI measure spans the year and is separate from the 2 January price-liberalisation policy event. IMF CR 00/150, table 15
  141. Russia lifts controls on most consumer prices as part of its early transition reform. — The annual December-to-December CPI increase is recorded separately; it cannot be attributed entirely to one policy date. IMF institutional history
  142. Maastricht Treaty signed — Euro written into law
  143. Estonian kroon currency board — Model post-Soviet stabilisation
  144. Black Wednesday; sterling and lira leave ERM — Britain out of euro path; inflation targeting (Oct)
  145. Czechoslovakia dissolves into the Czech and Slovak republics. — Political dissolution precedes the separate currency-union termination. IMF institutional history
  146. The Czech and Slovak currency union ends; the two korunas become separate currencies. — Political and monetary separation occurred five weeks apart. IMF 1993 WEO
  147. Eritrea celebrates independence after its referendum and proclamation. — The earlier proclamation and later UN admission are separate legal milestones. UN Secretary-General message
  148. Russia announces the withdrawal of pre-1993 ruble notes, fracturing the shared ruble area. — The announcement and other republics' currency exits need separate chronology; the European ERM crisis does not share this event. IMF ruble-area study
  149. European ERM currency fluctuation bands widen to ±15% after renewed pressure. — This is a European exchange-rate arrangement, separate from Russia's ruble-zone policy. ECB account
  150. Federal Republic of Yugoslavia monthly inflation exceeds 300 billion percent in the IMF account. — The prior 313-million-percent figure is withdrawn pending reconciliation of measure and transcription. IMF FRY report
  151. The North American Free Trade Agreement enters into force among Canada, Mexico and the United States. — Trade rules take effect separately from African currency policy. USTR history
  152. China unifies its official and swap-market exchange rates at about 8.7 yuan per U.S. dollar. — The later period of dollar stability needs its own policy chronology and is withheld from this reform row. IMF 1996 China review
  153. The two CFA francs are devalued by 50% in foreign-currency terms against the French franc. — The shared parity realignment applies to the two African monetary zones. IMF Annual Report 1994
  154. Mexican peso devaluation; $50 bn rescue (1995) — Tequila crisis
  155. WTO created — Global trade court
  156. Ukraine introduces the hryvnia during its 2–16 September monetary reform. National Bank of Ukraine — New national currency replaces the karbovanets
  157. Bank of England independence — Monetary-policy governance changes
  158. Hong Kong becomes a Special Administrative Region of China after the sovereignty transfer. HKSAR yearbook — Constitutional transition; the existing linked exchange-rate system continues separately
  159. Thai baht floats — Asian financial crisis
  160. Korea's $58 bn IMF package — Largest rescue to date
  161. The European Central Bank is established, replacing the European Monetary Institute. ECB archives — Institution precedes its euro-area monetary-policy role from January 1999
  162. Russia announces a restructuring of specified short-term ruble GKO/OFZ government debt and a wider 6–9.5 rubles-per-dollar exchange-rate corridor. — The subsequent market depreciation and “first G8 default” ranking are separate claims needing a dated FX series and defined comparison population. IMF Survey, 31 Aug 1998
  163. Malaysia introduces capital and exchange controls after the Asian crisis, with restrictions centered on offshore ringgit and short-term portfolio flows. IMF Selected Issues, 1999 — A national currency-policy response, separate from the U.S. LTCM recapitalization
  164. The New York Fed convenes LTCM’s counterparties; a private consortium agrees to recapitalize the fund. New York Fed, 1998 annual report — The Fed coordinated talks, but the new equity came from private firms
  165. Gold trades near its post-1971 low, but this row does not establish the precise $252 quote or benchmark. — A bounded market observation, separate from official sales, statutes and the G20's formation.
  166. Gold bottoms around $252/oz — Low nominal gold price
  167. The euro launches as the common currency for 11 participating countries and the Eurosystem takes responsibility for their shared monetary policy; euro cash follows in 2002. ECB contemporaneous account — A new monetary union, distinct from Brazil’s exchange-rate change
  168. Brazil allows the real to float after widening its exchange-rate band on 13 January. Brazil central-bank history; Brazil’s IMF letter — A national currency-policy response to reserve and market pressure
  169. HM Treasury announces a plan for partial sales of official UK gold; the 365-tonne planned amount in a WGC historical account is separate from the eventual sale total. — An announcement does not put all planned gold on the market. WGC historical account
  170. HM Treasury sells about 395 tonnes of UK gold at 17 Bank of England auctions, roughly half the initial ~715-tonne government stock. — The programme spans nearly three years; completed sales differ from the May 1999 plan. HM Treasury; Bank of England
  171. G7 finance ministers create an informal forum that becomes the G20, initially for finance ministers and central-bank governors. — This is not yet a leaders' summit; that level begins in 2008. IMF governance history
  172. Central Bank Gold Agreement — European central banks coordinate gold-sale limits
  173. The U.S. Gramm–Leach–Bliley Act becomes Public Law 106-102. — Bank, securities and insurance affiliation rules change under a domestic statute, not a monetary union. Original law
  174. Ecuador's executive announces a plan to adopt the U.S. dollar as legal tender; the implementing economic-transition law follows in March. Ecuador central-bank history; government IMF letter — Dollarisation decision and implementation occurred in stages
  175. Nasdaq Composite closes around 5,048 at its dot-com-era peak. Nasdaq Composite index history — Equity-market milestone separate from Ecuador's currency policy
  176. Commodity Futures Modernization Act — OTC derivatives unregulated
  177. The U.S. dollar becomes legal tender in El Salvador. — The national monetary change is distinct from Argentina's later default. IMF dollarisation study
  178. Argentina defaults on roughly $100 billion of public debt after deposit restrictions and political crisis. — Approximate debt amount needs a named instrument and valuation convention.
  179. China becomes a member of the World Trade Organization. — Trade accession is distinct from the financial crises and armed conflicts listed in the former bundle. WTO accession record
  180. Argentina abandons its dollar peg and the peso depreciates; the precise sequence of conversion and floating needs a separate legal chronology. — Currency-policy reversal follows the December default.
  181. Euro banknotes and coins enter circulation in twelve euro-area states. — Cash introduction follows the 1999 electronic-currency launch. ECB changeover history
  182. East Timor becomes independent. — Independence is distinct from the euro cash changeover and Argentina's exchange-rate policy. UN contemporary report
  183. Iraq invaded — Post-9/11 wars cost ~$8 trillion, all borrowed
  184. The FOMC lowers its target federal funds rate by 25 basis points to 1%. FOMC statement — Low policy-rate target; its causal share in the housing boom remains contested
  185. Basel II — Model-based capital
  186. SPDR Gold Shares (GLD) begins trading in New York. Fund sponsor — Exchange-traded gold exposure expands
  187. China unpegs yuan — Gradual appreciation
  188. Safaricom launches M-Pesa mobile-money transfers in Kenya. — Mobile payment access expands outside the banking branch network. GSMA history
  189. Apple begins selling its first iPhone in the United States. — A handset launch, separate from the later banking-market crisis. Apple launch release
  190. BNP Paribas suspends dealings in three investment funds as subprime-linked assets become difficult to value. — An early funding-market stress event. BIS crisis chronology
  191. Depositors begin a run on Northern Rock after its Bank of England liquidity support becomes public. — Banking stress reaches UK retail depositors. Bank of England review
  192. Bear Stearns is acquired by JPMorgan with Federal Reserve support. — Broker-dealer rescue precedes Lehman's failure. Federal Reserve history
  193. Oil prices rise near their 2008 peak; this row does not establish the exact $147 benchmark, date or venue. — A separate energy-market series needs a named instrument before comparison.
  194. Russia and Georgia fight a five-day war. — The regional armed conflict is separate from the US broker-dealer rescue. After Gold 06
  195. Lehman Brothers files for bankruptcy — Global financial crisis intensifies
  196. Federal Reserve lends to AIG — Emergency insurer support, separate from Lehman's bankruptcy
  197. Federal Reserve expands dollar swap lines with foreign central banks — Cross-border dollar liquidity facility, distinct from QE
  198. US Congress authorizes TARP — Crisis-response authority, not a measure of final net cost
  199. Bitcoin whitepaper published — Proposed peer-to-peer electronic cash design
  200. Federal Reserve announces its first large-scale asset-purchase programme — Asset purchases financed with reserves, distinct from swap lines
  201. China announces a large fiscal stimulus — National fiscal response, not part of the US rescue
  202. G20 holds its first leaders' summit — Crisis coordination among major economies
  203. Federal Reserve cuts its policy rate near zero — Rate decision, distinct from asset purchases
  204. Bitcoin genesis block mined — Network begins operation
  205. First transaction: 10 BTC to Hal Finney (block 170).
  206. G20 leaders announce a package of roughly $1.1 trillion in additional crisis-support commitments at the London summit. — Commitments include IMF resources, SDR allocations, development-bank lending and trade finance; the total is not a single same-day payment. London communiqué
  207. The Financial Stability Board is re-established as successor to the Financial Stability Forum. — Financial-regulation coordination is a separate institutional action at the same summit. FSB history
  208. Greek deficit revealed; €110 bn bailout — Eurozone crisis
  209. First published exchange rate: 1,309 BTC per dollar, derived from electricity cost.
  210. Basel III rules implemented on varying national schedules; conditional bullion credit-risk weight and separate stable-funding treatment — Neither a blanket zero-risk status nor a central-bank reserve-eligibility rule
  211. 10,000 BTC paid for two pizzas — first purchase of a physical good.
  212. Dodd–Frank Act — US re-regulation
  213. Mt. Gox exchange opens in Tokyo.
  214. Value-overflow bug creates 184 billion BTC in one block; reversed by soft fork within hours.
  215. Basel III agreed — Higher capital
  216. The Arab Spring protest wave spreads across North Africa and the Middle East. — Its food-price and monetary channels are discussed separately from sovereign-credit and exchange-rate decisions.
  217. Price reaches $31, then falls ~94% to ~$2.
  218. South Sudan becomes independent. — Statehood alone does not date subsequent currency issuance. UN member history
  219. Standard & Poor's lowers its long-term U.S. sovereign rating from AAA to AA+. — A sovereign-credit decision after the debt-ceiling dispute. S&P original release
  220. LBMA Gold Price PM reaches $1,895/oz after the crisis-era rise. This price convention differs from the $1,921.2 intraday high reported for 6 September; neither figure by itself proves a reliable hedge in every stress. WGC 2011 report; WGC 2020 retrospective — Price convention and crisis-period behavior must be distinguished
  221. The Swiss National Bank introduces a minimum rate of CHF 1.20 per euro. — A distinct exchange-rate policy response to franc appreciation. SNB original release
  222. SWIFT disconnects Iranian banks — Payments network as weapon
  223. ECB President Mario Draghi says that, within its mandate, the ECB is ready to do “whatever it takes” to preserve the euro. ECB verbatim — A policy signal amid the eurozone crisis, separate from the later ESM inauguration
  224. The European Stability Mechanism is formally inaugurated after its treaty entered into force on 27 September. ESM inauguration notice — Permanent eurozone financial-assistance institution starts operating
  225. First halving: subsidy 50 → 25 BTC.
  226. China announces the overland and maritime initiatives later grouped as the Belt and Road Initiative. — The two announcement dates and treaty status differ; this is not the Cyprus bank resolution. World Bank overview
  227. Cyprus's bank-resolution programme imposes losses on uninsured bank depositors. — A eurozone bail-in is separate from Japanese asset purchases and US rate expectations. European Commission account
  228. A block accepted by Bitcoin 0.8 but rejected by earlier nodes triggers a chain fork; mining pools downgrade to 0.7 and the network reconverges. The incident does not establish a “last outage” claim. Bitcoin.org incident notice; BIP-50 post-mortem
  229. The Bank of Japan introduces its quantitative and qualitative monetary easing programme. — Japanese central-bank asset purchases belong to the Abenomics policy mix. BoJ statement
  230. Federal Reserve communications about eventual asset-purchase tapering help trigger a bond-market sell-off known as the taper tantrum. — An expectations and market episode, not a Fed rate increase. FOMC May transcript
  231. Price passes $1,000; Mt. Gox "Willy" bot later found to have bought ~270,000 BTC with non-existent dollars.
  232. China's central bank and four other agencies issue a Bitcoin risk notice restricting financial and payment institutions' Bitcoin-related business; it does not make all private possession unlawful. PBoC financial-stability review
  233. Zerocash research published — Formal basis for confidential decentralised payments
  234. Mt. Gox halts withdrawals; ~850,000 BTC lost (200,000 later found); price −36%.
  235. Russia annexes Crimea; Western governments begin targeted sanctions. — The conflict and sanctions chronology is separate from the ECB's later rate decision. EU sanctions chronology
  236. IRS Notice 2014-21 states that convertible virtual currency is treated as property for U.S. federal tax purposes. IRS original notice
  237. The ECB's deposit-facility rate becomes −0.10%, following its 5 June decision. — A negative policy rate, separate from Russia's reserve-allocation policy. ECB release
  238. Tether says it first launched USD₮ on Bitcoin's Omni layer; the “first dollar stablecoin” superlative is withheld. Tether retrospective
  239. Bitcoin price trades near a cycle low around $152; the date, venue and return-from-2013-peak convention need independent price-series review.
  240. The Swiss National Bank ends its CHF 1.20-per-euro minimum exchange rate. — Reversal of the 2011 franc-floor policy, separate from the Greek referendum and Chinese currency decision. SNB original release
  241. Greek voters reject the bailout creditors' terms in a referendum. — A political decision in the eurozone crisis; the government subsequently accepts new terms. Greek electoral record
  242. Ethereum's mainnet launches. — A digital-asset network launch, separate from central-bank currency policy. Ethereum history
  243. China's central bank changes the daily renminbi central-parity setting mechanism, allowing an immediate depreciation. — One exchange-rate policy decision, separate from CIPS payments. Chinese government contemporaneous notice
  244. China's Cross-Border Interbank Payment System (CIPS) begins operation. — Cross-border yuan payment infrastructure, separate from the exchange-rate reform. CIPS history
  245. The FOMC raises its federal-funds target range to 0.25–0.50%. — First policy-rate increase after the 2008 near-zero-rate decision. FOMC statement
  246. India's Unified Payments Interface (UPI) begins operation. — A domestic instant-payment rail, separate from the SDR basket. NPCI overview
  247. Zcash launch — Separate native currency and chain
  248. The Bank of Japan announces a −0.1% rate on specified policy-rate balances in its tiered reserve system. — Japanese negative-rate design is distinct from the ECB's 2014 deposit-rate decision. BoJ meeting minutes
  249. UK voters choose to leave the European Union in a referendum. — The vote precedes the UK’s legal withdrawal in 2020. UK Electoral Commission result
  250. Second halving: 25 → 12.5 BTC.
  251. Bitfinex hacked; 119,756 BTC stolen; 36% haircut on all customers.
  252. The IMF's revised SDR valuation basket takes effect with the Chinese renminbi included. — A reserve-unit basket change, not an immediate conversion of national reserves. IMF basket decision
  253. Donald Trump wins the U.S. presidential election. — A political turning point ahead of the later tariff decisions. Federal Election Commission result
  254. Bitcoin Cash hard fork over block size.
  255. Segregated Witness (BIP-141) activates at Bitcoin block 481,824, after the 2017 governance dispute over activation and block size. Bitcoin developer guide
  256. Chinese authorities order domestic crypto exchanges to wind down local trading, a separate measure from the 4 September ICO-financing notice. Xinhua account of Beijing regulator notice
  257. Chinese agencies prohibit fundraising through token offerings (ICOs); this does not prohibit every form of private coin possession. Joint agency notice
  258. SegWit2x (miners' and companies' hard fork) cancelled for lack of consensus.
  259. CME's cash-settled bitcoin futures begin with a 17 December evening trading session for the 18 December trade date. CME notice
  260. The United States and China impose successive tariffs on each other's goods. — Trade-policy escalation precedes the January 2020 Phase One agreement; an undated global NSFR “in force” claim is withheld. USTR Section 301 history
  261. Bitcoin's U.S.-dollar market price falls sharply from its 2017 peak; the old −84%/$3,122 pair needs one matched price series and endpoint convention.
  262. Sapling activation; remediation of the earlier counterfeiting vulnerability — Improvement and security-response milestone
  263. Bitcoin Core publishes a fix for CVE-2018-17144, an inflation vulnerability, before publicly disclosing its full impact on 20 September. Bitcoin Core disclosure
  264. Public disclosure of that earlier vulnerability — Disclosure date differs from discovery and repair
  265. Turnstile enforcement explanation published — Documents containment and possible withdrawal limitations
  266. QuadrigaCX collapses after founder dies with the only keys; C$216m owed.
  267. Bitwise tells the SEC 95% of reported bitcoin volume is fake.
  268. Facebook announces its proposed Libra digital-currency project. — An announced private payment project, not an operational currency at this date. Meta original white paper archive
  269. U.S. overnight repo rates spike amid short-term funding-market stress. — A market episode discussed separately from trade tariffs. Federal Reserve review
  270. John Griffin and Amin Shams publish a study finding 2017 Tether flows associated with bitcoin price support; it is a retrospective research result, not a 2017 regulator finding. Journal record
  271. Price falls 50% in two days in the COVID crash, then rises 300% for the year.
  272. The FOMC cuts its federal-funds target range to 0–0.25% in an emergency decision. — The rate decision precedes the separately announced asset-purchase expansion. Fed implementation note
  273. The ECB announces a €750 billion envelope for its Pandemic Emergency Purchase Programme. — A euro-area asset-purchase programme distinct from US federal spending. ECB release
  274. The Federal Reserve announces that Treasury and agency mortgage-security purchases will be made in amounts needed to support market functioning. — An open-ended asset-purchase commitment, not an exact final-spending total. Fed release
  275. The U.S. CARES Act becomes Public Law 116-136. — Emergency fiscal authority and estimated cost require a named budget score, separate from central-bank purchases. Enacted law
  276. Third halving: 12.5 → 6.25 BTC.
  277. EU leaders agree on a €750 billion NextGenerationEU recovery instrument financed by common borrowing. — Agreement and later legal issuance/borrowing dates differ. European Council conclusions
  278. The United States–Mexico–Canada Agreement enters into force, replacing NAFTA. — A trade treaty, separate from EU common borrowing. USTR notice
  279. MicroStrategy begins converting its treasury into bitcoin.
  280. The Central Bank of The Bahamas launches the Sand Dollar retail CBDC. — A national central-bank digital-currency arrangement; the “first CBDC” superlative needs a defined population and is withheld. Bahamas central bank
  281. Nigeria's EndSARS protest movement switches to bitcoin after bank accounts are frozen.
  282. Brazil's central bank begins operating Pix instant payments. — A national payment rail, separate from the Bahamas CBDC. Banco Central do Brasil
  283. Central Bank of Nigeria restricts banks' dealings with cryptocurrency firms; the later 2023 policy revision requires separate legal scope review.
  284. New York's attorney general announces an $18.5 million settlement with Tether and Bitfinex, with New York trading restrictions and reserve disclosures. NYAG release
  285. China bans mining; hashrate halves; largest difficulty drop on record (Jul).
  286. El Salvador passes the Bitcoin Law (62 of 84 votes).
  287. The United States completes the withdrawal of its military forces from Afghanistan. — Armed-conflict milestone, not a Bitcoin-law event. White House statement
  288. El Salvador's Bitcoin Law takes effect, requiring private acceptance of Bitcoin alongside the U.S. dollar subject to statutory exceptions. — Adoption under the 2021 law precedes the 2025 amendment that makes private acceptance voluntary. Original law
  289. Chinese agencies publish a notice treating virtual-currency trading services as illegal financial activity; the document is dated 15 September, and mining restrictions follow a separate policy track. Joint notice
  290. Chapter 2 of the IMF's Global Financial Stability Report discusses macro-financial risks of “cryptoization” in emerging markets; it is an analytical warning, not a binding policy order. IMF GFSR report
  291. The CFTC orders Tether to pay $41 million over misstatements about dollar backing; its order finds sufficient fiat reserves on 27.6% of days in a sampled 2016–18 period, not throughout Tether's history. CFTC order release
  292. Taproot consensus rules activate at Bitcoin block 709,632. The quoted November $69,000 price peak needs a named venue and timestamp. Bitcoin Core activation specification
  293. China's Evergrande defaults on offshore bond obligations. — Corporate property-debt distress is distinct from El Salvador's monetary law; precise instrument and recognition date need issuer/trustee records.
  294. WGC's central-bank-and-other-official-sector net gold demand exceeds 1,000 tonnes in each year. — A named net-demand series, not gross central-bank purchases alone. WGC Full Year 2024, Central Banks and other institutions
  295. Network load and wallet-performance problems discussed in a later retrospective — Usability can fail despite continued consensus operation
  296. The IMF publishes its El Salvador Article IV conclusion: Executive Directors urge narrowing the Bitcoin Law by removing Bitcoin's legal-tender status; this is advice, not a binding amendment. IMF release, Executive Board Assessment
  297. Russian central-bank reserves frozen — Raised custody and sanctions questions; gold-buying motives vary by central bank
  298. Canada invokes the Emergencies Act and implements financial measures targeting property linked to unlawful blockades, including digital-asset service providers. The number of frozen accounts or wallets requires official enforcement records. Finance Canada release
  299. Russia invades Ukraine; ~$300 bn reserves frozen; SWIFT cut-offs — Pivotal monetary event
  300. The FOMC raises its federal-funds target range by 0.25 percentage point to 0.25–0.50%, beginning the 2022 tightening cycle. — The “fastest since 1979” ranking needs a matched target-rate series and window, so is withheld. Federal Reserve minutes
  301. Central African Republic makes crypto legal tender; CEMAC objects within days.
  302. The TerraUSD algorithmic stablecoin loses its dollar peg and the Terra/Luna mechanism unravels. The old $40–60 billion aggregate needs a defined asset and valuation window. BIS 2022 analysis, box A
  303. NU5 activation at block 1,687,104 — Orchard/Halo 2 generation
  304. The U.S. all-items Consumer Price Index rises 9.1% over twelve months, measured June 2021 to June 2022. — A year-over-year CPI reading, not a one-day price change or a comparison with the gas benchmark. BLS June release
  305. Crypto lender Celsius pauses customer withdrawals and transfers. Liability totals and later creditor recoveries require the bankruptcy schedules. SEC-filed Celsius estate history
  306. UK gilt-market dysfunction prompts temporary Bank of England purchases of long-dated government bonds. — A market-stability intervention separate from consumer-price inflation. Bank of England notice
  307. FTX halts withdrawals and files for bankruptcy; $8bn customer shortfall.
  308. Ulrich Bindseil and Jürgen Schaaf publish “Bitcoin's last stand” on the ECB Blog; the page disclaims necessary representation of ECB/Eurosystem views, and the argument is not a monetary-policy decision. ECB Blog
  309. The G7-led price-cap coalition implements a $60-per-barrel cap on covered seaborne Russian crude oil. — Sanctions via maritime services, separate from the UK gilt intervention. US Treasury notice
  310. The Basel Committee publishes a bank-exposure prudential standard for cryptoassets, subsequently revised with an international implementation date of 1 January 2026. BCBS 2022 standard; BCBS 2024 revision
  311. Bhutan's state-owned Druk Holding and Investments publicly announces a hydropower-backed bitcoin-mining partnership; this announcement does not establish mining began in 2019 or an audited sovereign balance. DHI announcement
  312. BIS General Manager Agustín Carstens gives an analytical speech about crypto's limits for money; his “battle has been won” view is not a binding bank rule. BIS speech
  313. The IMF publishes its Executive Board discussion of policy guidance recommending against granting cryptoassets official-currency or legal-tender status. IMF release
  314. Silvergate Capital announces an orderly wind-down and voluntary liquidation of Silvergate Bank; this is not a regulator-ordered closure on that date. SEC Form 8-K
  315. California closes Silicon Valley Bank and appoints the FDIC receiver. — Bank failure after deposit outflows; “fastest bank run in history” needs a defined comparison set. FDIC failure record
  316. USDC temporarily trades below its dollar target after issuer Circle discloses $3.3 billion of reserves at failed Silicon Valley Bank. The old $0.87 low needs an exchange and time convention. Circle reserve release
  317. New York regulators close Signature Bank and appoint the FDIC receiver. FDIC failure record
  318. UBS agrees to acquire Credit Suisse under Swiss authorities' emergency resolution framework. — Separate Swiss banking resolution, not the U.S. SVB closure. FINMA release
  319. CAR repeals crypto legal tender.
  320. The Federal Reserve launches its FedNow instant-payment service for participating institutions. — Payment infrastructure, separate from the two March bank failures. Federal Reserve release
  321. The FOMC raises its federal-funds target range to 5.25–5.50%. — This target range remained in place until September 2024; a later realized-funds-rate series is a different measure. FOMC meeting record
  322. The U.S. Court of Appeals for the D.C. Circuit vacates the SEC's disapproval of Grayscale's spot-Bitcoin ETF proposal and remands for a new explanation; it does not itself approve an ETF. Court opinion
  323. Hamas attacks Israel; Israel's war in Gaza follows. — An armed conflict before the separate Red Sea shipping attacks. UN Security Council chronology
  324. Houthi attacks on Red Sea shipping begin. — The later Suez-traffic decline needs a dated traffic series and cannot be assigned to a single November day. UN Security Council Resolution 2722
  325. Binance and its founder plead guilty in a U.S. resolution with more than $4 billion in agreed penalties; payment timing and combined agency totals differ. Justice Department release
  326. FASB issues ASU 2023-08 requiring fair-value treatment for qualifying cryptoassets in fiscal years beginning after 15 December 2024, with early adoption permitted. FASB standard
  327. Second halving and NU6-era funding arrangement — New subsidy period and temporary funding design
  328. The U.S. SEC approves exchange rule changes to list and trade spot Bitcoin exchange-traded products. — Approval of listed products, not an official Bitcoin reserve. SEC statement
  329. Ulrich Bindseil and Jürgen Schaaf publish the ECB Blog post “ETF approval for bitcoin – the naked emperor’s new clothes”; the page says its authors' views do not necessarily represent the ECB. ECB Blog
  330. The Bank of Japan decides to end its negative-interest-rate framework, with the new operating guideline effective 21 March. — A Japanese policy decision, separate from US Bitcoin exchange-product approval. BoJ decision
  331. Zimbabwe introduces the ZiG unit in a monetary reform; an announced reserve basket does not establish a fixed gold redemption right. — Monetary arrangement distinct from Bitcoin ETFs. Reserve Bank of Zimbabwe 2024 policy statement
  332. Bitcoin block 840,000 starts the fourth subsidy epoch: the block subsidy falls from 6.25 to 3.125 BTC. The old daily-average $128 transaction-fee claim needs a specified fee series. Block 840,000
  333. Hong Kong Exchanges and Clearing lists spot Bitcoin ETFs as regulated private-market products, not public Bitcoin reserves. HKEX launch release
  334. Germany (Saxony) sells 49,858 seized BTC for €2.64bn.
  335. Mt. Gox begins creditor repayments.
  336. At the Nashville Bitcoin conference, presidential candidate Donald Trump proposes keeping federal Bitcoin holdings in a strategic stockpile; a campaign proposal is not a reserve order or a purchase. The exact “never sell” quotation needs the original speech transcript.
  337. The FOMC lowers its federal-funds target range at the September, November and December 2024 meetings. — Three policy decisions, not an unspecified continuous decline. Federal Reserve 2024 meeting archive
  338. Ulrich Bindseil and Jürgen Schaaf publish an ECB-hosted draft on Bitcoin's distributional consequences. It is the authors' analysis, not a Governing Council decision. The Bhutan 13,295-BTC peak needs an audited holding-date source. Authors' paper
  339. A Federal Reserve Bank of Minneapolis working paper models permanent primary deficits under stated assumptions and examines fixed-supply private assets; its conditional tax/prohibition discussion is research, not Federal Reserve policy. Working paper 807
  340. Price passes $100,000.
  341. Federal Reserve Chair Jerome Powell says “we're not allowed to own Bitcoin,” describing the Federal Reserve's own statutory powers rather than a ban on all U.S. public holdings. FOMC press-conference transcript
  342. IMF staff and El Salvador reach a staff-level agreement for an Extended Fund Facility of about $1.4 billion, subject to Executive Board approval; proposed Bitcoin-law changes would make private acceptance voluntary. IMF staff-level release
  343. Most remaining provisions of the EU Markets in Crypto-Assets Regulation begin applying. The earlier stablecoin titles applied from 30 June; qualifying service providers could have an Article 143 transition, so this is not a universal licence-completion date. Japan's reserve objection needs its original government response. MiCA regulation; ESMA Article 143
  344. Average price $3,431; 53 record highs; demand ~5,000 t / $555 bn — Gold passes $3,000 and $4,000
  345. NU6.1 activation at block 3,146,400 — Updated development-funding model
  346. Tether announces an El Salvador digital-asset licence and plans to relocate its group operations there; this announcement alone does not certify completed headquarters relocation. Tether announcement
  347. El Salvador adopts and publishes Decree 199, amending rather than repealing its Bitcoin Law; private acceptance becomes voluntary after its 90-day commencement period. — The domestic text retains “curso legal” wording even as the IMF says essential legal-tender features were removed. Decree 199
  348. At an ECB press conference, Christine Lagarde argues that central-bank reserves should meet liquidity and safety tests and expresses doubt about Bitcoin as an ECB/Eurosystem reserve asset. Her answer is a stated view, not a prohibition binding each national central bank. ECB press-conference Q&A
  349. Bybit hacked for $1.5bn by North Korea.
  350. Germany amends its constitutional debt-brake rules for defence spending and a €500 billion infrastructure fund. — Fiscal reform distinct from U.S. digital-asset administration. Bundestag account
  351. Bank of Korea rules out a reserve.
  352. A U.S. executive order directs a Strategic Bitcoin Reserve capitalized from Treasury-held, finally forfeited Bitcoin that is otherwise unneeded for specified legal uses, and a separate stockpile for other digital assets. — Administrative accounts do not prove the inventory's size or new open-market purchases. Original order, §3
  353. Lummis reintroduces the BITCOIN Act (1m BTC over five years).
  354. Swiss National Bank officials oppose adding Bitcoin to national reserves. The April statement needs its original central-bank locator; a separate nine-pool template-relay finding needs the research publication and sample definition.
  355. The White House announces reciprocal import tariffs under an IEEPA national-emergency order. — Announcement, staged implementation and later judicial treatment differ; the cross-era tariff-rank claim is withheld. White House original order
  356. Bitcoin falls during the April tariff-driven market selloff. The old $74,508 low and subsequent $100,000 recovery need a named trading venue, time zone, and price series before publication as exact milestones.
  357. New Hampshire's governor signs HB 302, permitting the state treasurer to invest within statutory limits in qualifying digital assets and precious metals; the law does not itself document a Bitcoin purchase. The former Arizona/Pakistan/merchant bundle involves separate actions requiring independent dates. New Hampshire bill history
  358. Moody's lowers its U.S. long-term issuer and senior-unsecured ratings from Aaa to Aa1. — A rating action, not an immediate change in Treasury payment obligations. Moody's release
  359. Texas's governor signs SB 21, authorizing a state-managed strategic Bitcoin reserve as a special fund; an enacted authority is not evidence of a $10 million completed purchase. Texas bill history; enrolled bill
  360. U.S. forces strike three Iranian nuclear facilities during the twelve-day Israel–Iran conflict. — The operation begins 21 June U.S. time / 22 June Iran time; Hormuz is not sustainably closed at this date. Defense Department transcript
  361. NATO allies commit to a 5%-of-GDP defence-and-security spending benchmark by 2035. — A future target including core defence and related spending, not an immediate 2025 outlay. Hague declaration
  362. The U.S. One Big Beautiful Bill Act becomes Public Law 119-21. — Tax and debt-ceiling provisions need their own statute sections and budget score. Enacted law
  363. The U.S. GENIUS Act becomes Public Law 119-27, setting a framework for specified payment-stablecoin issuers with conditional later effectiveness. — Enactment does not license every existing dollar token. Enacted law
  364. Public Lightning-network channel capacity is reported to have declined; the ~3,850-BTC level requires a dated network snapshot and definition of public channels. A separate Treasury purchase-policy quotation needs its original context.
  365. A U.S. executive order directs a review of access to alternative assets, including digital assets, in 401(k) plans; it does not require every plan to offer Bitcoin. White House order
  366. Chainalysis ranks India, the United States, Pakistan, Vietnam and Brazil highest in its 2025 crypto adoption index. The ranking follows its methodology and is not a Bitcoin-only holder count; a 1-ZH/s hashrate crossing and Kazakhstan fund launch need their own dated sources. Chainalysis index
  367. A U.S. appropriations lapse interrupts many federal-agency operations until funding is enacted on 12 November. — A 42-day funding gap and 43 inclusive closed-calendar-days are different counting conventions; comparative rank is withheld. CRS R48765
  368. All-time high $126,198.
  369. A Gaza ceasefire takes effect under an agreement reached earlier that month. — Conflict status is not a US rate decision. UN OCHA report
  370. ~$19bn of futures liquidated in a day — largest deleveraging on record.
  371. Bitcoin Core v30 raises the OP_RETURN data limit; Knots client reaches ~20–25% of nodes.
  372. US DOJ files a civil forfeiture complaint concerning approximately 127,271 BTC linked to the Prince Group; a complaint is not final forfeiture or a verified reserve balance. DOJ
  373. The U.S. Exchange Stabilization Fund agrees to a swap facility of up to $20 billion with Argentina's central bank; an initial $2.5 billion transaction is executed in October and repaid by December. — Agreed capacity, drawn amount and later repayment differ. U.S. Treasury FY2025 AFR, printed p. 135
  374. The Czech National Bank announces a $1 million experimental portfolio including Bitcoin, a USD stablecoin and a tokenised deposit, held outside its existing foreign-exchange reserves. Board approval was 30 October; this announcement is not a national reserve allocation. CNB release
  375. Twenty One Capital's Class A shares begin NYSE trading as “XXI” following its combination. The former 43,500-BTC holding figure requires a separately dated SEC balance filing; Bhutan pledges and Federal Reserve stablecoin analysis are separate events. SEC-filed company notice
  376. The FOMC lowers its federal-funds target range to 3.50–3.75%. — The September, October and December meeting decisions are distinct; this is their year-end target. FOMC statement
  377. Temporary Orchard restrictions and coordinated remediation — Distinguishes incident containment from final activation
  378. NU6.2 activation at block 3,364,600 — Corrected circuit deployed
  379. Published zcashd end-of-support halt at block 3,417,100 — Infrastructure migration before NU6.3
  380. Ironwood/NU6.3 activation at block 3,428,143 — New pool and restrictions on old Orchard activity
  381. Foundation engineering report documents post-activation work — Independent deployment corroboration within the development ecosystem
  382. This research snapshot — Not a claim that every web page is updated to this date
  383. IMF COFER dollar share is 57.13% of foreign-exchange reserves, excluding gold — Different denominator from the ECB's broad reserve measure
  384. Bulgaria adopts the euro and its central bank joins the Eurosystem. — Euro-area enlargement occurs after the 2025 US decisions. ECB release
  385. Gold reaches $5,405/oz in the WGC USD series — Record high in that series; WGC July 2026, table 1
  386. Draft BIP-360's Pay-to-Merkle-Root design and draft BIP-361's migration proposal are revised or assigned for discussion; neither has activated as a Bitcoin consensus rule. The former price-drawdown and Brazil-bill clauses need separate primary locators. BIP-360; BIP-361
  387. The U.S. Supreme Court holds that IEEPA does not authorize the President to impose tariffs. — The 6–3 statutory ruling concerns IEEPA authority; other tariff statutes have separate conditions. Court opinion
  388. A U.S. presidential proclamation begins a temporary 10% import surcharge under Trade Act §122, subject to listed exceptions and a statutory time limit. — A replacement legal basis with a different scope and expiry trigger. Original proclamation
  389. U.S. and Israeli strikes on Iran begin a new armed conflict. — The war is separate from the July 2025 twelve-day conflict and from a precise date of Hormuz traffic disruption. UN Security Council letter
  390. War-related threats and disruption sharply reduce oil traffic through the Strait of Hormuz. — The IMF later describes an effective closure; a single formal closure order or day is not established. IMF July oil-market account
  391. QatarEnergy halts LNG production and declares force majeure after attacks on Ras Laffan. — A gas-supply disruption separate from the IEA oil-stock agreement; the exact 18 March attack timing needs a company notice. IEA LNG capacity tracker
  392. IEA members agree to make 400 million barrels from emergency oil stocks available to address the Middle East disruption. — A coordinated release commitment, not 400 million barrels delivered in one day. IEA release
  393. Google researchers publish a model of future quantum resources needed to attack 256-bit elliptic-curve cryptography under stated superconducting-hardware and error-correction assumptions. It is a resource estimate, not a demonstrated Bitcoin attack or an activated migration deadline. Google Research
  394. The United States and Iran announce a two-week ceasefire. — An announced pause; lasting peace and restoration of normal Hormuz shipping remain open in the IEA's April report. UN briefing; IEA April oil report
  395. The Stratum V2 Working Group welcomes ANTPOOL, Block, DMND, F2Pool, Foundry, MARA Foundation and SpiderPool to develop the open mining protocol. Membership is a development commitment, not evidence that every pool has deployed miner-selected templates. The former 75% hashrate estimate needs a dated denominator; unrelated corporate, ETF, bill and Bhutan claims are withheld. Working Group announcement
  396. Kevin Warsh takes office as chair of the Federal Reserve Board. — Leadership succession, separate from the later June/July rate decisions. Fed biography
  397. Orchard soundness vulnerability discovered — Supply-assurance questions become operationally urgent
  398. The ECB reports gold at 27% of end-2025 broad official reserves including gold, largely because of valuation changes. — End-2025 holdings/valuation measured in a June 2026 report; this denominator differs from IMF COFER foreign-exchange reserves. ECB, chart 7
  399. ECB reports gold at 27% of end-2025 official reserves including gold; most of its share increase reflects price valuation — Broader reserve measure, not IMF COFER
  400. The FOMC maintains its federal-funds target range at 3.50–3.75%. — A June rate decision separate from the ECB's reserve-composition report. Fed note
  401. Strategy adopts "Digital Credit Capital Framework," raises STRC coupon to 12%, begins first bitcoin sales since 2022.
  402. Cycle low $58,562 (−53.5% from peak).
  403. The World Gold Council reports that its USD gold series tested $4,000/oz several times during July; its monthly account does not assign those tests to the 13–14 July Hormuz events. Bitcoin and gold event-time prices and Kevin Warsh's quotation need matched primary timestamps. WGC July 2026
  404. MiCA Article 143's maximum transitional period expires for qualifying crypto-asset service providers, unless authorisation was granted or refused sooner or a Member State shortened the period. The old blanket claim that Binance suspended EU services needs an operator announcement. ESMA Article 143
  405. The IMF projects 3.0% global growth for 2026 in its July World Economic Outlook update. — A forecast, not a completed 2026 growth outcome or a quantified “cut” without an April comparator. IMF update
  406. Japan's House of Councillors passes Cabinet Bill 57, moving specified crypto-asset trading into the Financial Instruments and Exchange Act's regulatory framework. Promulgated as Law 64 on 23 July; the vote itself does not establish a flat 20% tax or its effective date. Diet bill record
  407. The FOMC keeps its target at 3.50–3.75% by a 9–3 vote; the three dissenters prefer a quarter-point increase. — A separate July policy decision; Brent price points need a named benchmark and dates. FOMC statement
  408. Gold ends July at $4,027/oz in the WGC USD series. — A July month-end observation, separate from August's higher month-end point. WGC July table 1
  409. Gold finishes July at $4,027/oz — WGC month-end USD observation, not a continuous price; July table 1
  410. Bitcoin market activity and ETF flows rise in some reported August series, but the prior +26%, +$3.5 billion and 0.81 Bitcoin-gold correlation require aligned primary series and observation windows. Corporate treasury and Pakistan licensing claims are separate events with unresolved primary locators.
  411. Russia signs crypto-exchange licensing law (effective 1 Sep).
  412. Gold ends August at $4,563/oz in the WGC USD series. — A second dated month-end observation, not a continuous July–August price band. WGC August table 1
  413. Gold finishes August at $4,563/oz — WGC month-end USD observation, not a continuous price; August table 1
  414. As of September, the latest cited IMF COFER dollar share is 57.13% for 2026 Q1 foreign-exchange reserves. — A Q1 observation in a later reporting snapshot; COFER excludes monetary gold and differs from the ECB's broad-reserves series. IMF COFER
  415. IMF staff and El Salvador reach a staff-level agreement on combined reviews, subject to Executive Board approval. The IMF says documentation shows Bitcoin accumulation since the first review came from private donations without public resources, and that Chivo's majority ownership and operational control passed to a private operator while the government kept a minority stake and customer-asset custody. This is the IMF's programme finding, not an independently audited wallet balance. IMF release
  416. Gold spot-price estimate around $4,490/oz — Dated market-price estimate, not an official reserve share
  417. Bitcoin difficulty adjusts to 127.45T at block 965,664. The block is timestamped 20:32:47 UTC; the 14 September mining report confirms the adjustment date and value. Hashrate Index; HashXP block 965,664
  418. The Financial Times reports that Iranian businesses and other sources describe a quiet relaxation of foreign-exchange controls over recent months, with some cross-border trade settled through domestic exchanges in Tether or bitcoin. The central bank declined comment; a dated formal authorization is not established. FT report
  419. Senate Daily Press says the cloture motion for H.R. 3633, the Digital Asset Market Clarity Act, is scheduled to ripen at 2:15 p.m. Eastern on 15 September. It does not report a vote result; the former supply, ETF, treasury and cross-asset figures use unmatched measurement dates. Senate Daily Press
  420. Fifth subsidy halving is expected at block 1,050,000: 3.125 → 1.5625 BTC per block. The height follows the 210,000-block schedule; April 2028 is only a block-time estimate, not a scheduled calendar date.