| P373 | Commons category | String | Japan by year | ??? |
| P17 | country | ... | Q17 (Japan) | Japan |
| P1269 | facet of | ... | Q130436 (history of Japan) | history of Japan |
| P31 | instance of | ... | Q18043430 (national timeline) | national timeline |
| P31 | instance of | ... | Q18340550 (Wikimedia timeline) | Wikimedia timeline |
| P910 | topic's main category | ... | Q8076602 (Category:Years in Japan) | Category:Years in Japan |
| P349 | NDL Authority ID | 00568300 |
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log id: 3050107