Change of Era
* January 31, 1131 : The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in ''Daiji'' 6, on the 29th day of the 1st month of 1131.Events of the ''Tenshō'' Era
* 1131 (''Tenshō 1, 12th month''): The '' udaijin'' Fujiwara Yetada was elevated to '' sadaijin''; and the '' naidaijin'' Arihito filled that vacancy by becoming ''udaijin''. The ''Notes
References
* Brown, Delmer and Ichiro Ishida, eds. (1979). Jien, c. 1220">Jien.html" ;"title="Jien">Jien, c. 1220 ''Gukanshō">Jien">Jien<_a>,_c._1220.html" ;"title="Jien.html" ;"title="Jien">Jien, c. 1220">Jien.html" ;"title="Jien">Jien, c. 1220 ''Gukanshō; "The Future and the Past: a translation and study of the 'Gukanshō,' an interpretive history of Japan written in 1219" translated from the Japanese and edited by Delmer M. Brown & Ichirō Ishida.'' Berkeley: University of California Press. * Isaac Titsingh, Titsingh, Isaac, ed. (1834). [Siyun-sai Rin-siyo/Hayashi Gahō, 1652], ''Nipon o daï itsi ran; ouExternal links
* National Diet Library, "The Japanese Calendar