{
 "source": "The money-ledger thread: dated facts behind the book's money-becomes-ink line, from the project's money-ledger audit (2026-09-25), timeline section, each checked against the source linked on its row. Book locations are line numbers in Solterra's Cut 26d. Two rows (1609, 1612) are context the audit recommended and the printed text does not carry.",
 "tables": {
  "TIMELINE": [
   {
    "date": "c. 806 to 812",
    "sortYear": 806,
    "event": "Tang flying money (feiqian): merchants deposit copper in the capital and redeem a draft at home; officially accepted in 812. The book prints \"the early 800s\".",
    "lane": "East",
    "inTheBook": "Ch 9, L389",
    "source": "https://en.wikipedia.org/wiki/Flying_cash; https://www.britannica.com/topic/feiqian"
   },
   {
    "date": "1023 / 1024",
    "sortYear": 1024,
    "event": "Jiaozi office set up in Yizhou (Chengdu), 1023; first official Song notes, redeemable in Sichuan's iron coin, 1024.",
    "lane": "East",
    "inTheBook": "Ch 9, L389; Ch 16, L724",
    "source": "https://en.wikipedia.org/wiki/Jiaozi_(currency)"
   },
   {
    "date": "late 1100s",
    "sortYear": 1175,
    "event": "Genoese notarial exchange contracts: pay coin in Genoa, collect at the Champagne fairs.",
    "lane": "West",
    "inTheBook": "Ch 10, L439",
    "source": "https://journals.sagepub.com/doi/10.1177/10323732251331978"
   },
   {
    "date": "1202",
    "sortYear": 1202,
    "event": "Fibonacci, Liber Abaci.",
    "lane": "West",
    "inTheBook": "Ch 10, L437",
    "source": "https://en.wikipedia.org/wiki/Liber_Abaci"
   },
   {
    "date": "1296 / 1299",
    "sortYear": 1296,
    "event": "Rinieri Fini and Giovanni Farolfi & Co. ledgers, the earliest double-entry books.",
    "lane": "West",
    "inTheBook": "Ch 12, L553 (\"since about 1300\")",
    "source": "https://egrove.olemiss.edu/aah_journal/vol4/iss2/6/"
   },
   {
    "date": "c. 1300",
    "sortYear": 1300,
    "event": "The exchange contract has shrunk to a letter: the bill of exchange (de Roover).",
    "lane": "West",
    "inTheBook": "Ch 10, L439",
    "source": "https://journals.sagepub.com/doi/10.1177/10323732251331978"
   },
   {
    "date": "1430s",
    "sortYear": 1436,
    "event": "Ming abandons fiat paper after the Baochao collapses; silver commutation begins in 1436.",
    "lane": "East",
    "inTheBook": "Ch 9, L390",
    "source": "https://en.wikipedia.org/wiki/Great_Ming_Treasure_Note"
   },
   {
    "date": "November 1494",
    "sortYear": 1494,
    "event": "Pacioli's Summa, printed by Paganino Paganini in Venice, sets out the Venetian method of double entry.",
    "lane": "West",
    "inTheBook": "Ch 12, L553",
    "source": "https://en.wikipedia.org/wiki/Summa_de_arithmetica; https://www.historyofinformation.com/detail.php?entryid=2046"
   },
   {
    "date": "20 March 1602",
    "sortYear": 1602,
    "event": "The VOC is chartered; 6,424,588 guilders subscribed across the chambers, open to any resident.",
    "lane": "West",
    "inTheBook": "Ch 16, L724",
    "source": "https://www.worldsfirststockexchange.com/2020/10/15/the-worlds-first-ipo/"
   },
   {
    "date": "9 September 1606",
    "sortYear": 1606,
    "event": "Enkhuizen chamber receipt to Pieter Harmensz for the last installment on 150 guilders (Westfries Archief, 0120, inv. nr. 1587).",
    "lane": "West",
    "inTheBook": "Ch 16, L725",
    "source": "https://www.westfriesarchief.nl/schatkist/oudste-aandeel-ter-wereld/"
   },
   {
    "date": "31 January 1609",
    "sortYear": 1609,
    "event": "The Amsterdam Wisselbank opens; account holders settle by book entry.",
    "lane": "West",
    "inTheBook": "not in the 26d text",
    "source": "https://en.wikipedia.org/wiki/Bank_of_Amsterdam"
   },
   {
    "date": "1611",
    "sortYear": 1611,
    "event": "Hendrick de Keyser's exchange building opens; shares had traded in the open air until then.",
    "lane": "West",
    "inTheBook": "Ch 16, L724",
    "source": "https://www.beursgeschiedenis.nl/en/moment/the-exchange-of-hendrick-de-keyser/"
   },
   {
    "date": "1612",
    "sortYear": 1612,
    "event": "VOC capital becomes permanent: the promised exit after ten years is refused.",
    "lane": "West",
    "inTheBook": "not in the 26d text",
    "source": "Gelderblom, De Jong and Jonker (2013), Journal of Economic History: https://www.cambridge.org/core/journals/journal-of-economic-history/article/abs/formative-years-of-the-modern-corporation-the-dutch-east-india-company-voc-16021623/E16FF67D27465278E442A974954741BB"
   },
   {
    "date": "1694",
    "sortYear": 1694,
    "event": "The Bank of England is founded and issues notes from the start, of ten pounds and up.",
    "lane": "West",
    "inTheBook": "Ch 23, L1061",
    "source": "https://en.wikipedia.org/wiki/Bank_of_England_note_issues"
   },
   {
    "date": "1797",
    "sortYear": 1797,
    "event": "First Bank of England one- and two-pound notes, under the Restriction (to 1821).",
    "lane": "West",
    "inTheBook": "Ch 23, L1061",
    "source": "https://en.wikipedia.org/wiki/Bank_of_England_%C2%A31_note"
   },
   {
    "date": "31 December 1799",
    "sortYear": 1799,
    "event": "The VOC's charter lapses (the company was nationalized 1 March 1796).",
    "lane": "West",
    "inTheBook": "Ch 16, L726",
    "source": "https://en.wikipedia.org/wiki/Company_rule_in_the_Dutch_East_Indies"
   },
   {
    "date": "August 1914",
    "sortYear": 1914,
    "event": "Currency and Bank Notes Act; Treasury one-pound and ten-shilling notes (\"Bradburys\").",
    "lane": "West",
    "inTheBook": "Ch 23, L1061",
    "source": "https://api.parliament.uk/historic-hansard/lords/1914/aug/06/currency-and-bank-notes-bill"
   },
   {
    "date": "15 August 1971",
    "sortYear": 1971,
    "event": "The United States closes the gold window: the last tie of money to metal is cut.",
    "lane": "Both",
    "inTheBook": "Ch 23, L1061",
    "source": "https://www.federalreservehistory.org/essays/gold-convertibility-ends"
   },
   {
    "date": "2014",
    "sortYear": 2014,
    "event": "Bank of England: about 97 of every 100 pounds of UK broad money are bank deposits, not notes.",
    "lane": "West",
    "inTheBook": "Ch 23, L1061",
    "source": "https://www.bankofengland.co.uk/-/media/boe/files/quarterly-bulletin/2014/quarterly-bulletin-2014-q1"
   }
  ]
 }
}