災Chronology

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6608309001000110014101540166017801800 670–829910–9991010–10991200–14091420–15391600–16591690–1779

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No year recorded 25

+19

Each crop stands at the decade of the first year its book's date gives; a date given only as before a year stands at that year. Dates come from the catalogues and editions cited with each record. The bars draw the whole span and their counts to scale; in the strip below them, fifty years or more with no crop are folded and marked. Japanese dates converted with HuTime ↗