陣Chronology

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500660900110015401600177018001900 510–659670–899910–10991160–15391700–1769

1

1

1

1

1

1

1

1

1

1

5

1

2

1

4

1

1

2

4

1

1

2

33 +27

21 +15

1

1

1

1

No year recorded 340

+334

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 ↗