15 December 1242 (Ninji 3, 22nd day of the 11th month 仁治3年11月22日) – Birth of Munetaka-shinnō 宗尊親王, the sixth shōgun of the Kamakura shogunate. He was the first son of Go-Saga-tennō and one of his concubine, Taira no Muneko.
When Minamoto no Sanetomo died childless, the line of shōguns from the...