| c. 650–575 BCE |
Electrum coinage develops in western Anatolia/Lydia |
Combines precious metal, standard form, issuer mark, and seigniorage; commodity money with institutional certification |
British Museum |
| 64 CE onward |
Nero and later Roman emperors reduce denarius silver content |
Shows the continuum from full-bodied coin to fiduciary/debased money without automatically creating fiat |
Cambridge, Roman silver coinage |
| Tang era, 8th–9th centuries |
“Flying cash” remittance instruments spread |
Early paper-based transfer claims; important to payments history but not clear circulating fiat |
von Glahn |
| c. 1010 |
Private Sichuan merchants issue jiaozi |
Early circulating paper claims convertible into iron coin |
Guan, Palma and Wu 2024 |
| 1023 |
Song government takes control of jiaozi issue |
Converts private paper credit into regulated public note issue |
von Glahn |
| 1105 |
Northern Song introduces qianyin |
Extends government paper-money practice |
Guan, Palma and Wu 2024 |
| c. 1160 |
Southern Song huizi begins |
Major government note system; later overissue weakens effective convertibility |
Guan, Palma and Wu 2024 |
| 1260 |
Kublai Khan issues Zhongtong chao |
Begins Yuan paper regime with a silver relationship and initial convertibility |
Guan, Palma and Wu 2024 |
| 1271 |
Yuan paper declared sole legal tender |
Strengthens state monopoly and tax/payment demand |
Guan, Palma and Wu 2024 |
| 1287 |
Yuan Zhiyuan notes introduced |
Reform attempts to stabilize and reorganize paper issue |
Guan, Palma and Wu 2024 |
| 1310 |
Yuan paper becomes de jure nonconvertible |
One of the strongest early dates for clear state fiat paper |
Guan, Palma and Wu 2024 |
| 1352 |
Yuan Zhizheng notes introduced |
Late reform amid fiscal and political deterioration |
Guan, Palma and Wu 2024 |
| 1375 |
Ming issues Da Ming Baochao |
National, ordinarily nonconvertible state paper standard |
Henan Museum |
| 1436 |
Ming broadens legal use of silver and coin |
Formal paper monopoly yields to actual metallic circulation |
Henan Museum |
| 1609 |
Bank of Amsterdam founded |
Public ledger money standardizes settlement among many coins; later fiat classification is debated |
Quinn and Roberds, DOI 10.1016/j.jmoneco.2014.03.004 |
| 1661 |
Stockholms Banco issues Europe’s first modern banknotes |
Redeemable bank credit notes demonstrate that paper is not necessarily fiat |
Sveriges Riksbank |
| 1668 |
Sveriges Riksbank founded |
Durable public central-banking institution emerges after Stockholms Banco’s failure |
Sveriges Riksbank |
| 27 July 1694 |
Bank of England founded |
Links note issue, government finance, public debt, and later central banking |
Bank of England |
| 1690 |
Massachusetts issues bills of credit |
Early Western government paper linked to future taxes and fiscal redemption |
Smithsonian |
| 1775 |
Continental Congress begins Continental emissions |
Revolutionary paper exposes the importance of tax authority, political survival, and counterfeiting |
Massachusetts Historical Society |
| December 1789 |
France authorizes assignats linked to nationalized lands |
Begins as public debt/asset-linked finance, not unbacked fiat |
Citéco |
| April–October 1790 |
Assignats become legal tender and lose interest feature |
Marks transition from land-linked debt toward circulating fiat paper |
Citéco |
| 2 April 1792 |
U.S. Coinage Act |
Establishes federal mint and statutory bimetallic dollar |
GovInfo, 1 Stat. 246 |
| 27 February 1797 |
Britain begins Bank Restriction |
Bank of England stops ordinary gold payment during war; temporary fiat-like operation |
Bank of England |
| 1816 |
Britain’s Coinage Act establishes the sovereign/gold standard |
Consolidates gold as the principal metallic standard |
Bank of England historical review |
| 1821 |
Britain resumes cash payments |
Ends the restriction-era fiat-like interval |
Bank of England historical review |
| 1844 |
Bank Charter Act |
Formally constrains Bank of England note issue while deposits remain outside one-for-one gold backing |
Bank of England |
| 25 February 1862 |
First U.S. Legal Tender Act |
Creates nonconvertible legal-tender United States Notes—greenbacks |
GovInfo, 12 Stat. 345 |
| 12 February 1873 |
U.S. Coinage Act omits standard silver dollar |
Later “Crime of 1873”; intensifies gold-versus-silver politics |
Official U.S. Statutes references |
| 14 January 1875 |
Specie Payment Resumption Act |
Sets greenback coin redemption for 1879 |
GovInfo historical report |
| 28 February 1878 |
Bland–Allison Act |
Restores mandatory federal silver purchases and coinage |
GovInfo |
| 1 January 1879 |
United States resumes specie payments |
Ends the greenback’s nonconvertible phase |
Juilliard v. Greenman record |
| 14 July 1890 |
Sherman Silver Purchase Act |
Expands Treasury silver purchases before 1893 repeal |
GovInfo reference, 26 Stat. 289 |
| 14 March 1900 |
U.S. Gold Standard Act |
Formally declares gold dollar standard and parity policy |
GovInfo |
| August 1914 |
Major powers suspend or restrict gold conversion as World War I begins |
Classical gold standard gives way to wartime controls and fiat-like operation |
NBER gold-standard research |
| 1922 |
Genoa Conference promotes gold-exchange standard |
Reserve currencies supplement gold in attempted restoration |
NBER Working Paper 7186 |
| 1925 |
Britain returns to gold at prewar parity |
Restores convertibility under a politically and economically altered system |
NBER interwar gold research |
| 21 September 1931 |
Britain leaves gold |
Major break in the interwar standard and a turning point in Depression policy |
Bank of England historical material |
| 6–9 March 1933 |
U.S. bank holiday and Emergency Banking Act |
Restructures banking and gold control during crisis |
Federal Reserve History |
| 5 April 1933 |
Executive Order 6102 |
Requires delivery of most private monetary gold, subject to exemptions |
American Presidency Project |
| 20 April 1933 |
U.S. formally restricts gold exports and redemption |
Ends ordinary domestic gold convertibility |
Federal Reserve History |
| 30–31 January 1934 |
Gold Reserve Act and $35 gold proclamation |
Transfers monetary gold to Treasury and devalues dollar in gold terms |
Federal Reserve History; GovInfo proclamation |
| 1–22 July 1944 |
Bretton Woods conference |
Creates fixed-but-adjustable dollar-centered system and postwar institutions |
FRASER proceedings |
| 27 December 1945 |
IMF Articles enter into force |
Provides legal institution for postwar exchange-rate system |
Federal Reserve History |
| 1 November 1961 |
London Gold Pool begins |
Central banks coordinate to defend official $35 gold price |
Federal Reserve History |
| March 1968 |
London Gold Pool collapses; two-tier market created |
Official and private gold prices separate |
Federal Reserve History |
| 15 August 1971 |
Nixon suspends official dollar-gold convertibility |
Ends Bretton Woods’ central redemption promise |
Nixon address |
| 18 December 1971 |
Smithsonian Agreement |
Attempts fixed-rate repair without restored gold conversion |
IMF history |
| March 1973 |
Major currencies move to generalized floating |
Practical beginning of the modern major-currency exchange-rate order |
IMF history |
| January 1976 |
Jamaica agreements |
Members agree to reform IMF rules and gold’s official role |
IMF historical materials |
| 1 April 1978 |
IMF Second Amendment takes effect |
Legally consolidates exchange-arrangement freedom and reduced official role of gold |
IMF |
| 17 October 1983 |
Hong Kong Linked Exchange Rate System begins |
Demonstrates a fiat currency board anchored to another fiat currency |
HKMA |
| 1989 |
New Zealand adopts formal inflation targeting |
Starts a major shift in fiat monetary-policy governance |
Riksbank Economic Review 2025 |
| May 1997 |
Bank of England receives operational monetary-policy independence |
Illustrates delegated instrument independence within a democratic mandate |
Bank of England |
| 1 January 1999 |
Euro launched for accounting and electronic use |
Creates multinational fiat unit with one central bank and multiple fiscal states |
ECB |
| 1 January 2002 |
Euro notes and coins introduced |
Completes public cash changeover |
ECB |
| 2008–2009 |
Major central banks deploy large-scale asset purchases |
Expands fiat-policy toolkit under near-zero rates and market stress |
Federal Reserve historical materials |
| 20 October 2020 |
Bahamas begins national Sand Dollar release |
Early nationwide retail CBDC |
Central Bank of The Bahamas |
| November 2023 |
ECB digital-euro preparation phase begins |
Moves from investigation into rulebook and technical preparation without an issuance decision |
ECB |
| 18 July 2025 |
U.S. GENIUS Act signed |
Establishes federal framework for payment stablecoins tied to fiat reserves |
U.S. Treasury |
| 22 August 2025 |
BIS publishes 2024 CBDC survey |
Reports 91% of 93 responding central banks exploring retail and/or wholesale CBDC |
BIS Papers No. 159 |
| July 2026 |
ECB releases draft digital-euro rulebook v0.91 |
Shows advanced design work but remains nonbinding and not an issuance decision |
ECB |