Kenkyū
26 April 1192 (Kenkyū 3, 13th day of the 3rd month): Former-Emperor Go-Shirakawa died at the age of 66.  He had been father or grandfather to five emperors -- Emperor Nijō, the 78th emperor; Emperor Rokujō, the 79th emperor; Emperor Takakura, the 80th emperor; Emperor Antoku, the 81st emperor; and Go-Toba, the 82nd emperor.