原Chronology

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58060067074083090010001100120015901600170018001900 620–669680–739750–829840–899910–9991010–10991290–1589

1

5

4

1

2

1

1

1

1

2

1

1

1

2

1

8 +2

1

2

1

1

58 +52

2

11 +5

1

1

6

6

6

19 +13

11 +5

5

5

9 +3

8 +2

40 +34

58 +52

9 +3

15 +9

10 +4

5

9 +3

20 +14

No year recorded 590

+584

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 ↗