[
  {
    "event_id": "T001",
    "sort_key": -3400,
    "date_start": "c. 3400 BCE",
    "date_end": "",
    "display_date": "c. 3400 BCE",
    "region": "Mesopotamia",
    "event": "Proto-cuneiform accounting records appear in southern Mesopotamia.",
    "significance": "Writing and numerical notation made obligations, inventories, rations and transfers administratively durable; this is a precursor to banking, not evidence of a modern bank.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S013; S117",
    "live_check_required": "no"
  },
  {
    "event_id": "T002",
    "sort_key": -3000,
    "date_start": "third millennium BCE",
    "date_end": "",
    "display_date": "third millennium BCE",
    "region": "Mesopotamia",
    "event": "Temples, palaces, merchants and households record grain and silver obligations.",
    "significance": "Institutional storage and credit functions existed in several settings, but the evidence does not justify labeling every temple a bank.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S010; S012; S015",
    "live_check_required": "no"
  },
  {
    "event_id": "T003",
    "sort_key": -1754,
    "date_start": "c. 18th century BCE",
    "date_end": "",
    "display_date": "c. eighteenth century BCE",
    "region": "Babylonia",
    "event": "Legal collections associated with Hammurabi regulate loans, agents, deposits, interest and collateral.",
    "significance": "The rules demonstrate developed credit and custody practices without creating a single identifiable 'first bank.'",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S011",
    "live_check_required": "no"
  },
  {
    "event_id": "T004",
    "sort_key": -600,
    "date_start": "c. sixth century BCE",
    "date_end": "",
    "display_date": "c. sixth century BCE",
    "region": "Eastern Mediterranean",
    "event": "Coined money becomes increasingly important in Mediterranean exchange.",
    "significance": "Standardized coinage expanded the work of money changers and specialists who tested, exchanged and stored currency; coinage did not itself invent banking.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S014",
    "live_check_required": "no"
  },
  {
    "event_id": "T005",
    "sort_key": -500,
    "date_start": "fifth–fourth centuries BCE",
    "date_end": "",
    "display_date": "fifth–fourth centuries BCE",
    "region": "Ancient Greece",
    "event": "Trapezitai operate as money changers and private financial intermediaries.",
    "significance": "Some accepted deposits, made payments and loans, and financed trade; activities varied by person and city.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S014",
    "live_check_required": "no"
  },
  {
    "event_id": "T006",
    "sort_key": -430,
    "date_start": "late fifth–fourth century BCE",
    "date_end": "",
    "display_date": "late fifth to fourth century BCE",
    "region": "Athens",
    "event": "Pasion rises from enslaved bank employee to prominent Athenian banker and citizen.",
    "significance": "His career is unusually well documented, but he was not the first banker in world history.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S014",
    "live_check_required": "no"
  },
  {
    "event_id": "T007",
    "sort_key": -400,
    "date_start": "classical period",
    "date_end": "",
    "display_date": "classical period",
    "region": "Greek Mediterranean",
    "event": "Maritime loans finance voyages at high risk.",
    "significance": "Repayment depended on successful voyages, linking interest and risk-bearing in a form unlike ordinary secured lending.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S014",
    "live_check_required": "no"
  },
  {
    "event_id": "T008",
    "sort_key": -300,
    "date_start": "third–first centuries BCE",
    "date_end": "",
    "display_date": "third to first centuries BCE",
    "region": "Ptolemaic Egypt",
    "event": "Royal, temple-linked and private banking arrangements process taxes, payments and transfers.",
    "significance": "Papyri reveal monetized fiscal administration and bank registers; institutional categories changed over the Ptolemaic period.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S016; S019; S020; S118",
    "live_check_required": "no"
  },
  {
    "event_id": "T009",
    "sort_key": -200,
    "date_start": "late Republic–early Empire",
    "date_end": "",
    "display_date": "late Roman Republic to early Empire",
    "region": "Roman world",
    "event": "Argentarii, nummularii and other specialists provide money-changing, auction-payment and credit services.",
    "significance": "Roman law and practice differentiated financial occupations rather than treating all finance as one bank type.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S022; S023; S024",
    "live_check_required": "no"
  },
  {
    "event_id": "T010",
    "sort_key": 100,
    "date_start": "first–third centuries CE",
    "date_end": "",
    "display_date": "first to third centuries CE",
    "region": "Roman Empire",
    "event": "Credit and payment intermediation operate across urban and trade networks.",
    "significance": "The scale and market integration are debated, but documentary and literary evidence supports substantial financial intermediation.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S022; S023",
    "live_check_required": "no"
  },
  {
    "event_id": "T011",
    "sort_key": 650,
    "date_start": "seventh–tenth centuries",
    "date_end": "",
    "display_date": "seventh to tenth centuries",
    "region": "Islamic world",
    "event": "Long-distance merchants use partnerships, agents, money changers and transfer arrangements across a large commercial zone.",
    "significance": "Islamic legal and reputational institutions supported trade finance; direct one-to-one transmission into later European banking remains debated.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S034; S035; S036; S039",
    "live_check_required": "no"
  },
  {
    "event_id": "T012",
    "sort_key": 810,
    "date_start": "c. 810",
    "date_end": "",
    "display_date": "c. 810",
    "region": "Tang China",
    "event": "Exchange notes known as flying money or flying cash circulate for remittance.",
    "significance": "They reduced the need to transport heavy coin and are better understood as remittance or credit instruments than ordinary circulating banknotes.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S154; S155; S156",
    "live_check_required": "no"
  },
  {
    "event_id": "T013",
    "sort_key": 1000,
    "date_start": "eleventh century",
    "date_end": "",
    "display_date": "eleventh century",
    "region": "Song China",
    "event": "Privately issued and then state-regulated paper instruments expand in Sichuan and beyond.",
    "significance": "Chinese paper money demonstrates that monetary innovation did not follow a uniquely European path.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S130; S155; S156",
    "live_check_required": "no"
  },
  {
    "event_id": "T014",
    "sort_key": 1100,
    "date_start": "medieval period",
    "date_end": "",
    "display_date": "medieval period",
    "region": "South Asia",
    "event": "Merchant communities use credit instruments that later sources classify under the broad and variable term hundi.",
    "significance": "Hundi could perform remittance, draft, promissory and credit functions; mapping it to one European instrument is misleading.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S127; S128; S153",
    "live_check_required": "no"
  },
  {
    "event_id": "T015",
    "sort_key": 1150,
    "date_start": "twelfth–thirteenth centuries",
    "date_end": "",
    "display_date": "twelfth to thirteenth centuries",
    "region": "Mediterranean Europe",
    "event": "Fairs, merchant networks and exchange contracts support long-distance trade.",
    "significance": "Bills of exchange developed through commercial practice, allowing payment across places and currencies while navigating legal and religious constraints.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S035; S040",
    "live_check_required": "no"
  },
  {
    "event_id": "T016",
    "sort_key": 1200,
    "date_start": "thirteenth–fourteenth centuries",
    "date_end": "",
    "display_date": "thirteenth to fourteenth centuries",
    "region": "Italian city-states",
    "event": "Merchant firms refine branch networks, correspondence, partnership structures and ledger accounting.",
    "significance": "These firms combined trade, exchange, deposits, payments and sovereign finance; they were not simply modern commercial banks in medieval dress.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S040; S041; S042; S043",
    "live_check_required": "no"
  },
  {
    "event_id": "T017",
    "sort_key": 1300,
    "date_start": "fourteenth century",
    "date_end": "",
    "display_date": "fourteenth century",
    "region": "Florence and Mediterranean",
    "event": "Bardi and Peruzzi companies operate multinational merchant-banking networks.",
    "significance": "Their failures reflected concentrated sovereign and commercial exposures, partner governance and wider shocks—not one simple royal default.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S044",
    "live_check_required": "no"
  },
  {
    "event_id": "T018",
    "sort_key": 1397,
    "date_start": "1397",
    "date_end": "",
    "display_date": "1397",
    "region": "Florence",
    "event": "The Medici Bank is founded.",
    "significance": "Its partnership and branch system became a major case in the history of merchant banking, information control and governance.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S040",
    "live_check_required": "no"
  },
  {
    "event_id": "T019",
    "sort_key": 1401,
    "date_start": "1401",
    "date_end": "",
    "display_date": "1401",
    "region": "Barcelona",
    "event": "The Taula de Canvi begins operations as a municipal public bank.",
    "significance": "It centralized municipal receipts and payments and is a strong candidate for an early European public bank, not an uncontested first central bank.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S133; S134",
    "live_check_required": "no"
  },
  {
    "event_id": "T020",
    "sort_key": 1407,
    "date_start": "1407",
    "date_end": "",
    "display_date": "1407",
    "region": "Genoa",
    "event": "The Casa or Banco di San Giorgio is established.",
    "significance": "It managed funded public debt and acquired broader administrative and financial functions; claims that it was the first modern bank depend on definition.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S135",
    "live_check_required": "no"
  },
  {
    "event_id": "T021",
    "sort_key": 1472,
    "date_start": "1472",
    "date_end": "",
    "display_date": "1472",
    "region": "Siena",
    "event": "A Monte Pio is established in Siena, the institutional ancestor claimed by Banca Monte dei Paschi di Siena.",
    "significance": "The surviving-bank claim is important but requires continuity and current-status qualification.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S132",
    "live_check_required": "yes"
  },
  {
    "event_id": "T022",
    "sort_key": 1494,
    "date_start": "1494",
    "date_end": "",
    "display_date": "1494",
    "region": "Florence",
    "event": "The Medici Bank ceases operations.",
    "significance": "Its decline illustrates governance failures, weak branch control, political exposure and the fragility of reputation-based networks.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S040",
    "live_check_required": "no"
  },
  {
    "event_id": "T023",
    "sort_key": 1587,
    "date_start": "1587",
    "date_end": "1637",
    "display_date": "1587–1637",
    "region": "Venice",
    "event": "The Banco della Piazza di Rialto operates under public authority.",
    "significance": "It provided deposit-transfer and settlement services intended to stabilize commercial payments.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S136; S137",
    "live_check_required": "no"
  },
  {
    "event_id": "T024",
    "sort_key": 1609,
    "date_start": "1609",
    "date_end": "",
    "display_date": "1609",
    "region": "Amsterdam",
    "event": "The Bank of Amsterdam is founded.",
    "significance": "Its ledger money and settlement role created a trusted unit for wholesale payments and later central-bank-like functions.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S045; S046; S047",
    "live_check_required": "no"
  },
  {
    "event_id": "T025",
    "sort_key": 1619,
    "date_start": "1619",
    "date_end": "",
    "display_date": "1619",
    "region": "Venice",
    "event": "The Banco del Giro is established.",
    "significance": "It became a major public transfer bank and eventually absorbed functions associated with Venetian public banking.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S136; S137",
    "live_check_required": "no"
  },
  {
    "event_id": "T026",
    "sort_key": 1656,
    "date_start": "1656",
    "date_end": "",
    "display_date": "1656",
    "region": "Sweden",
    "event": "Stockholms Banco is chartered.",
    "significance": "Its later note issue and failure directly shaped the establishment of the Riksbank.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S049",
    "live_check_required": "no"
  },
  {
    "event_id": "T027",
    "sort_key": 1661,
    "date_start": "1661",
    "date_end": "",
    "display_date": "1661",
    "region": "Sweden",
    "event": "Stockholms Banco issues early European banknotes.",
    "significance": "The notes are conventionally described by the Riksbank as the first banknotes in Europe, with regional and definitional qualification.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S049",
    "live_check_required": "no"
  },
  {
    "event_id": "T028",
    "sort_key": 1668,
    "date_start": "1668",
    "date_end": "",
    "display_date": "1668",
    "region": "Sweden",
    "event": "Sveriges Riksbank is founded.",
    "significance": "It is conventionally described as the world's oldest central bank, although its modern central-bank functions evolved over time.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S049; S052",
    "live_check_required": "no"
  },
  {
    "event_id": "T029",
    "sort_key": 1694,
    "date_start": "1694",
    "date_end": "",
    "display_date": "1694",
    "region": "England",
    "event": "The Bank of England is founded to finance government.",
    "significance": "Its note issue, fiscal role, banking relationships and later lender-of-last-resort functions made it a central model in modern central-banking history.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S050; S051; S053",
    "live_check_required": "no"
  },
  {
    "event_id": "T030",
    "sort_key": 1700,
    "date_start": "late seventeenth–eighteenth centuries",
    "date_end": "",
    "display_date": "late seventeenth to eighteenth centuries",
    "region": "Britain",
    "event": "Goldsmith bankers and private banks expand deposit, note and payment services.",
    "significance": "Private banking and clearing arrangements connected commercial payments before large joint-stock branch systems emerged.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S054",
    "live_check_required": "no"
  },
  {
    "event_id": "T031",
    "sort_key": 1775,
    "date_start": "1775",
    "date_end": "",
    "display_date": "1775",
    "region": "Birmingham, Britain",
    "event": "A commonly cited first building society is founded.",
    "significance": "Mutual savings-and-housing finance created an ownership model distinct from shareholder-owned commercial banks.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S141",
    "live_check_required": "no"
  },
  {
    "event_id": "T032",
    "sort_key": 1781,
    "date_start": "1781",
    "date_end": "",
    "display_date": "1781",
    "region": "United States",
    "event": "The Bank of North America is chartered.",
    "significance": "It became an early national commercial institution in the new United States; 'first U.S. bank' claims depend on charter and geography.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S066",
    "live_check_required": "no"
  },
  {
    "event_id": "T033",
    "sort_key": 1791,
    "date_start": "1791",
    "date_end": "1811",
    "display_date": "1791–1811",
    "region": "United States",
    "event": "The First Bank of the United States operates.",
    "significance": "It combined government banking, payments and regulatory influence in a contested early federal system.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S060",
    "live_check_required": "no"
  },
  {
    "event_id": "T034",
    "sort_key": 1800,
    "date_start": "1800",
    "date_end": "",
    "display_date": "1800",
    "region": "France",
    "event": "The Banque de France is founded.",
    "significance": "It developed from a note-issuing bank into France's central bank within a changing relationship to the state.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S055",
    "live_check_required": "no"
  },
  {
    "event_id": "T035",
    "sort_key": 1816,
    "date_start": "1816",
    "date_end": "1836",
    "display_date": "1816–1836",
    "region": "United States",
    "event": "The Second Bank of the United States operates.",
    "significance": "Its branch network, government deposits and discipline over state banks made it central-bank-like but politically contested.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S061",
    "live_check_required": "no"
  },
  {
    "event_id": "T036",
    "sort_key": 1820,
    "date_start": "c. 1820",
    "date_end": "1930",
    "display_date": "c. 1820–1930",
    "region": "China",
    "event": "Shanxi piaohao remittance banks build national transfer networks.",
    "significance": "They moved funds over long distances through branch, family and reputational systems, including government remittances.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S029; S030",
    "live_check_required": "no"
  },
  {
    "event_id": "T037",
    "sort_key": 1826,
    "date_start": "1826",
    "date_end": "",
    "display_date": "1826",
    "region": "England and Wales",
    "event": "Legislation permits joint-stock banks beyond the Bank of England's immediate London privilege.",
    "significance": "The change helped expand larger, more capitalized banking organizations and branch networks.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S050; S054",
    "live_check_required": "no"
  },
  {
    "event_id": "T038",
    "sort_key": 1830,
    "date_start": "nineteenth century",
    "date_end": "",
    "display_date": "nineteenth century",
    "region": "South and Southeast Asia",
    "event": "Indigenous bankers and Chettiar networks finance trade, agriculture and migration.",
    "significance": "Hundi-based and relationship-based systems coexisted and interacted with colonial corporate banks.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S027; S028; S129; S151; S152",
    "live_check_required": "no"
  },
  {
    "event_id": "T039",
    "sort_key": 1835,
    "date_start": "1835",
    "date_end": "1865",
    "display_date": "1835–1865",
    "region": "United States",
    "event": "Private-bank networks carry drafts and settle long-distance payments.",
    "significance": "The networks show that payments infrastructure can emerge through correspondents before a unified central-bank system.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S148",
    "live_check_required": "no"
  },
  {
    "event_id": "T040",
    "sort_key": 1844,
    "date_start": "1844",
    "date_end": "",
    "display_date": "1844",
    "region": "United Kingdom",
    "event": "The Bank Charter Act restricts new note issue and separates Bank of England issue and banking departments.",
    "significance": "The Act shaped British note-issue concentration, though deposit money later became more important than private banknotes.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S050; S054",
    "live_check_required": "no"
  },
  {
    "event_id": "T041",
    "sort_key": 1850,
    "date_start": "nineteenth century",
    "date_end": "",
    "display_date": "nineteenth century",
    "region": "Africa, Asia, Caribbean and Latin America",
    "event": "Imperial and colonial banks expand with trade, plantations, mining and government finance.",
    "significance": "Their networks improved some payments and trade links while often directing credit toward imperial commerce and privileged sectors.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S070; S071; S072",
    "live_check_required": "no"
  },
  {
    "event_id": "T042",
    "sort_key": 1863,
    "date_start": "1863",
    "date_end": "1864",
    "display_date": "1863–1864",
    "region": "United States",
    "event": "National Banking Acts create federal charters and a national-banknote system.",
    "significance": "They reduced note fragmentation and created the OCC but did not eliminate seasonal liquidity problems or panics.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S059; S060",
    "live_check_required": "no"
  },
  {
    "event_id": "T043",
    "sort_key": 1865,
    "date_start": "1865",
    "date_end": "1874",
    "display_date": "1865–1874",
    "region": "United States",
    "event": "The Freedman's Savings Bank operates and fails.",
    "significance": "Its collapse harmed Black depositors and illustrates the difference between inclusion in name and sound governance, supervision and asset management.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S067",
    "live_check_required": "no"
  },
  {
    "event_id": "T044",
    "sort_key": 1866,
    "date_start": "1866",
    "date_end": "",
    "display_date": "1866",
    "region": "United Kingdom",
    "event": "The Overend Gurney crisis tests Bank of England crisis management.",
    "significance": "Nineteenth-century crises helped crystallize lender-of-last-resort practice, although the doctrine was never a single founding event.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S051; S053",
    "live_check_required": "no"
  },
  {
    "event_id": "T045",
    "sort_key": 1870,
    "date_start": "late nineteenth century",
    "date_end": "",
    "display_date": "late nineteenth century",
    "region": "Germany and continental Europe",
    "event": "Universal and industrial banks combine deposits, lending, securities and corporate relationships.",
    "significance": "National banking systems diverged: some emphasized universal banks and industry links; others retained stronger functional separation or smaller local institutions.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S056; S109; S146",
    "live_check_required": "no"
  },
  {
    "event_id": "T046",
    "sort_key": 1882,
    "date_start": "1882",
    "date_end": "",
    "display_date": "1882",
    "region": "Japan",
    "event": "The Bank of Japan is established.",
    "significance": "Japan created a central bank as part of Meiji monetary and institutional reform.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S032; S112",
    "live_check_required": "no"
  },
  {
    "event_id": "T047",
    "sort_key": 1890,
    "date_start": "1890",
    "date_end": "",
    "display_date": "1890",
    "region": "London and Argentina",
    "event": "The Baring crisis threatens a leading merchant bank after concentrated Argentine exposures.",
    "significance": "The episode reveals underwriting conflicts, sovereign risk and the role of coordinated rescue in preserving market stability.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S147",
    "live_check_required": "no"
  },
  {
    "event_id": "T048",
    "sort_key": 1905,
    "date_start": "1905",
    "date_end": "1906",
    "display_date": "1905–1906",
    "region": "United States",
    "event": "The Armstrong investigation examines relationships among insurers and investment banks.",
    "significance": "The episode illuminates securities-market power, conflicts and reform pressures around investment banking.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S145",
    "live_check_required": "no"
  },
  {
    "event_id": "T049",
    "sort_key": 1907,
    "date_start": "1907",
    "date_end": "",
    "display_date": "1907",
    "region": "United States",
    "event": "The Panic of 1907 produces runs and payment disruption.",
    "significance": "Reliance on private rescues exposed the absence of an elastic central reserve and helped build support for the Federal Reserve.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S062; S103",
    "live_check_required": "no"
  },
  {
    "event_id": "T050",
    "sort_key": 1907.5,
    "date_start": "1907",
    "date_end": "",
    "display_date": "1907",
    "region": "Switzerland",
    "event": "The Swiss National Bank begins operations.",
    "significance": "The SNB centralizes note issue and performs national monetary functions within Switzerland's federal setting.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S057; S110",
    "live_check_required": "no"
  },
  {
    "event_id": "T051",
    "sort_key": 1913,
    "date_start": "1913",
    "date_end": "",
    "display_date": "1913",
    "region": "United States",
    "event": "The Federal Reserve Act establishes the Federal Reserve System.",
    "significance": "The regional reserve-bank design sought elastic currency, improved payments and a more organized response to banking stress.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S063; S102",
    "live_check_required": "no"
  },
  {
    "event_id": "T052",
    "sort_key": 1914,
    "date_start": "1914",
    "date_end": "1918",
    "display_date": "1914–1918",
    "region": "Global",
    "event": "World War I transforms bank-state relations and monetary systems.",
    "significance": "War finance, suspensions, controls and public debt expanded state influence and weakened the prewar gold-standard order.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S052; S113; S114",
    "live_check_required": "no"
  },
  {
    "event_id": "T053",
    "sort_key": 1920,
    "date_start": "1920s",
    "date_end": "",
    "display_date": "1920s",
    "region": "Colonial systems",
    "event": "Currency boards and imperial banks structure money and credit in many colonies.",
    "significance": "Convertibility rules could stabilize exchange rates while limiting domestic monetary discretion and reproducing imperial priorities.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S071; S072",
    "live_check_required": "no"
  },
  {
    "event_id": "T054",
    "sort_key": 1929,
    "date_start": "1929",
    "date_end": "1933",
    "display_date": "1929–1933",
    "region": "Global / United States",
    "event": "The Great Depression becomes a banking and monetary catastrophe.",
    "significance": "Runs, failures, debt deflation and policy mistakes contracted money and credit; reforms expanded federal supervision, emergency lending and deposit insurance.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S074; S120",
    "live_check_required": "no"
  },
  {
    "event_id": "T055",
    "sort_key": 1933,
    "date_start": "1933",
    "date_end": "",
    "display_date": "1933",
    "region": "United States",
    "event": "The Banking Act of 1933 creates federal deposit insurance and separates key commercial and investment banking activities.",
    "significance": "The reform rebuilt depositor confidence and reshaped bank organization, though the separation was never absolute or globally universal.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S064; S138",
    "live_check_required": "no"
  },
  {
    "event_id": "T056",
    "sort_key": 1935,
    "date_start": "1935",
    "date_end": "",
    "display_date": "1935",
    "region": "India",
    "event": "The Reserve Bank of India commences operations.",
    "significance": "It assumes currency, government-banking and public-debt functions and later develops a substantial supervisory and developmental role.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S157",
    "live_check_required": "no"
  },
  {
    "event_id": "T057",
    "sort_key": 1944,
    "date_start": "1944",
    "date_end": "",
    "display_date": "1944",
    "region": "International",
    "event": "The Bretton Woods conference creates the institutional basis for the IBRD and IMF.",
    "significance": "Development banking and postwar monetary cooperation become formal international functions.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S142; S143; S149",
    "live_check_required": "no"
  },
  {
    "event_id": "T058",
    "sort_key": 1946,
    "date_start": "1946",
    "date_end": "",
    "display_date": "1946",
    "region": "United Kingdom",
    "event": "The Bank of England is nationalised.",
    "significance": "Public ownership formalizes a state relationship that had long been close but institutionally evolving.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S050",
    "live_check_required": "no"
  },
  {
    "event_id": "T059",
    "sort_key": 1949,
    "date_start": "1949",
    "date_end": "",
    "display_date": "1949",
    "region": "India",
    "event": "The Reserve Bank of India is nationalised.",
    "significance": "The change places the central bank in public ownership during a period of planned development and banking-system expansion.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S157",
    "live_check_required": "no"
  },
  {
    "event_id": "T060",
    "sort_key": 1950,
    "date_start": "1950s",
    "date_end": "",
    "display_date": "1950s",
    "region": "Global",
    "event": "Development finance institutions expand.",
    "significance": "National and multilateral development banks channel long-term capital toward infrastructure, industry and policy priorities underserved by ordinary commercial lending.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S142; S143; S144",
    "live_check_required": "no"
  },
  {
    "event_id": "T061",
    "sort_key": 1958,
    "date_start": "1958",
    "date_end": "",
    "display_date": "1958",
    "region": "United States",
    "event": "BankAmericard launches as a large-scale general-purpose revolving credit-card program.",
    "significance": "Cards move consumer credit and merchant payments onto networked bank platforms; 'first credit card' claims depend on definition.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S084",
    "live_check_required": "no"
  },
  {
    "event_id": "T062",
    "sort_key": 1960,
    "date_start": "1960s",
    "date_end": "",
    "display_date": "1960s",
    "region": "Global",
    "event": "Banks adopt mainframes and centralized electronic account processing.",
    "significance": "Core processing changes scale, speed and branch coordination, while creating new operational and technology dependencies.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S090",
    "live_check_required": "no"
  },
  {
    "event_id": "T063",
    "sort_key": 1967,
    "date_start": "1967",
    "date_end": "",
    "display_date": "1967",
    "region": "United Kingdom",
    "event": "A cash dispenser is installed at a Barclays branch in Enfield.",
    "significance": "It is a landmark in ATM history, but 'first ATM' claims depend on whether earlier cash machines and technological features count.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S087",
    "live_check_required": "no"
  },
  {
    "event_id": "T064",
    "sort_key": 1970,
    "date_start": "1970s",
    "date_end": "",
    "display_date": "1970s",
    "region": "United States and elsewhere",
    "event": "Automated clearing-house systems develop for batch electronic payments.",
    "significance": "ACH shifts recurring and retail payments from paper toward electronic file exchange.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S085",
    "live_check_required": "no"
  },
  {
    "event_id": "T065",
    "sort_key": 1973,
    "date_start": "1973",
    "date_end": "",
    "display_date": "1973",
    "region": "International",
    "event": "SWIFT is founded.",
    "significance": "Standardized secure financial messaging supports cross-border bank communication; SWIFT transmits messages rather than holding customer deposits or universally settling funds itself.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S083",
    "live_check_required": "yes"
  },
  {
    "event_id": "T066",
    "sort_key": 1974,
    "date_start": "1974",
    "date_end": "",
    "display_date": "1974",
    "region": "International",
    "event": "The Basel Committee on Banking Supervision is established.",
    "significance": "Cross-border failures and supervisory gaps prompt sustained international coordination on bank supervision.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S079",
    "live_check_required": "no"
  },
  {
    "event_id": "T067",
    "sort_key": 1980,
    "date_start": "1980s",
    "date_end": "",
    "display_date": "1980s",
    "region": "Latin America",
    "event": "Sovereign debt crises strain banks and states.",
    "significance": "Foreign-currency debt, interest-rate shocks and weak balance sheets transmit losses across international banks, governments and domestic economies.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S073",
    "live_check_required": "no"
  },
  {
    "event_id": "T068",
    "sort_key": 1980.5,
    "date_start": "1980s",
    "date_end": "",
    "display_date": "1980s",
    "region": "United Kingdom and United States",
    "event": "Deregulation and competition transform savings institutions and building societies.",
    "significance": "Interest-rate liberalization, new powers, property exposure and changing supervision alter mutual and thrift models, sometimes increasing risk.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S140; S141",
    "live_check_required": "no"
  },
  {
    "event_id": "T069",
    "sort_key": 1988,
    "date_start": "1988",
    "date_end": "",
    "display_date": "1988",
    "region": "International",
    "event": "The Basel Capital Accord is agreed.",
    "significance": "The framework establishes a common risk-weighted capital approach for internationally active banks, later revised through Basel II and III.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S079; S080",
    "live_check_required": "no"
  },
  {
    "event_id": "T070",
    "sort_key": 1990,
    "date_start": "1990s",
    "date_end": "",
    "display_date": "1990s",
    "region": "Japan",
    "event": "Asset-price collapse is followed by prolonged banking distress.",
    "significance": "Non-performing loans, delayed recognition and weak growth demonstrate how banking problems can persist without a dramatic single-day run.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S112; S073",
    "live_check_required": "no"
  },
  {
    "event_id": "T071",
    "sort_key": 1995,
    "date_start": "1995",
    "date_end": "",
    "display_date": "1995",
    "region": "United States",
    "event": "Wells Fargo offers internet access to banking services according to its institutional history.",
    "significance": "It is an important online-banking milestone, but global 'first online bank' claims require narrower definitions and independent corroboration.",
    "claim_classification": "directly documented",
    "confidence": "medium",
    "source_ids": "S089",
    "live_check_required": "no"
  },
  {
    "event_id": "T072",
    "sort_key": 1997,
    "date_start": "1997",
    "date_end": "1998",
    "display_date": "1997–1998",
    "region": "East and Southeast Asia",
    "event": "The Asian financial crisis combines currency pressure, short-term foreign debt and banking weakness.",
    "significance": "Currency mismatches and sudden capital-flow reversals amplify corporate and bank distress across countries.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S075; S073",
    "live_check_required": "no"
  },
  {
    "event_id": "T073",
    "sort_key": 1999,
    "date_start": "1999",
    "date_end": "",
    "display_date": "1999",
    "region": "United States",
    "event": "The Gramm-Leach-Bliley Act removes major barriers among banking, securities and insurance affiliations.",
    "significance": "Financial holding companies can combine activities that had been more restricted since the 1930s.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S139",
    "live_check_required": "no"
  },
  {
    "event_id": "T074",
    "sort_key": 2004,
    "date_start": "2004",
    "date_end": "",
    "display_date": "2004",
    "region": "International",
    "event": "Basel II is published.",
    "significance": "The framework deepens risk-sensitive capital rules and supervisory review but later attracts criticism for complexity and model reliance.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S079; S080",
    "live_check_required": "no"
  },
  {
    "event_id": "T075",
    "sort_key": 2007,
    "date_start": "2007",
    "date_end": "2009",
    "display_date": "2007–2009",
    "region": "Global",
    "event": "The global financial crisis exposes leverage, securitisation, wholesale-funding and shadow-banking vulnerabilities.",
    "significance": "Failures and rescues lead to stronger capital and liquidity rules, resolution regimes, stress testing and macroprudential oversight.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S076; S077; S120",
    "live_check_required": "no"
  },
  {
    "event_id": "T076",
    "sort_key": 2010,
    "date_start": "2010",
    "date_end": "",
    "display_date": "2010",
    "region": "International",
    "event": "Basel III reforms are introduced.",
    "significance": "The package raises the quality and quantity of capital and adds liquidity and leverage measures; implementation remains jurisdiction-specific and live-check dependent.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S080; S107",
    "live_check_required": "yes"
  },
  {
    "event_id": "T077",
    "sort_key": 2010.5,
    "date_start": "2010",
    "date_end": "2012",
    "display_date": "2010–2012",
    "region": "Euro area",
    "event": "Sovereign and banking stress reinforce one another.",
    "significance": "Banks hold sovereign debt while governments backstop banks, creating a feedback loop between public finances and bank solvency.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "high",
    "source_ids": "S078; S121",
    "live_check_required": "no"
  },
  {
    "event_id": "T078",
    "sort_key": 2015,
    "date_start": "2015",
    "date_end": "",
    "display_date": "2015",
    "region": "European Union",
    "event": "PSD2 is adopted.",
    "significance": "The framework helps create regulated access to payment accounts and supports the later open-banking ecosystem; implementation details are jurisdictional and current.",
    "claim_classification": "directly documented",
    "confidence": "medium",
    "source_ids": "S088; S124",
    "live_check_required": "yes"
  },
  {
    "event_id": "T079",
    "sort_key": 2018,
    "date_start": "2018",
    "date_end": "",
    "display_date": "2018",
    "region": "United Kingdom",
    "event": "Open Banking implementation begins under standardized APIs.",
    "significance": "Customer-authorized data sharing and payment initiation create a regulated platform layer around bank accounts.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S088; S124",
    "live_check_required": "yes"
  },
  {
    "event_id": "T080",
    "sort_key": 2020,
    "date_start": "2020s",
    "date_end": "",
    "display_date": "2020s",
    "region": "Global",
    "event": "Digital-only banks, cloud services and banking-as-a-service expand.",
    "significance": "Banking functions increasingly separate into regulated balance sheets, technology layers, user interfaces and embedded distribution.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S009; S081; S090",
    "live_check_required": "yes"
  },
  {
    "event_id": "T081",
    "sort_key": 2023,
    "date_start": "2023",
    "date_end": "",
    "display_date": "2023",
    "region": "United States and Europe",
    "event": "Several significant banks fail or are resolved amid rapid digital runs, interest-rate risk and concentrated funding.",
    "significance": "The events demonstrate that insured systems can still face fast runs when uninsured deposits, weak risk management and communication failures coincide.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S105; S122",
    "live_check_required": "yes"
  },
  {
    "event_id": "T082",
    "sort_key": 2023.5,
    "date_start": "2023",
    "date_end": "",
    "display_date": "2023",
    "region": "United States",
    "event": "The FedNow Service launches.",
    "significance": "It adds a central-bank-operated instant-payment rail; adoption, reach and product features require current verification.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S123",
    "live_check_required": "yes"
  },
  {
    "event_id": "T083",
    "sort_key": 2025,
    "date_start": "2025",
    "date_end": "",
    "display_date": "2025",
    "region": "International",
    "event": "BIS work describes a next-generation system built around tokenised central-bank and commercial-bank money.",
    "significance": "This is an institutional design proposal and analysis, not a prediction that one architecture will necessarily prevail.",
    "claim_classification": "directly documented",
    "confidence": "high",
    "source_ids": "S009",
    "live_check_required": "yes"
  },
  {
    "event_id": "T084",
    "sort_key": 2026,
    "date_start": "as of 26 August 2026",
    "date_end": "",
    "display_date": "as of 26 August 2026",
    "region": "Global",
    "event": "Banks confront simultaneous debates over AI, cyber resilience, stablecoins, CBDCs, instant payments and non-bank competition.",
    "significance": "Current project status, laws and implementation differ by jurisdiction and must be live-checked; future outcomes are scenarios rather than established facts.",
    "claim_classification": "strongly supported scholarly interpretation",
    "confidence": "medium",
    "source_ids": "S081; S082; S106; S108",
    "live_check_required": "yes"
  }
]
