Because there was no one to succeed the Imperial Throne from Emperor Go-Takakura's line, Emperor Go-Saga (Prince Tsuchimikado) was enthroned in July 1242; and the suffix -in used in posthumous Buddhist names was changed to Go-Toba-in. |
後高倉皇統の断絶によって後嵯峨天皇(土御門院皇子)の即位となった仁治3年(1242年)7月、院号が後鳥羽院に改められた。 |