[1] ボスポロス暦 - Wikipedia (2020-08-30T02:44:59.000Z, 2020-09-13T02:45:29.650Z) https://ja.wikipedia.org/wiki/%E3%83%9C%E3%82%B9%E3%83%9D%E3%83%AD%E3%82%B9%E6%9A%A6