In the first month of the first year of the Jokyu era (1219), the third Seii Taishogun (literally, "great general who subdues the barbarians"), Minamoto no Sanetomo, was assassinated by his own nephew, Kugyo.
承久元年（1219年）1月、3代征夷大将軍源実朝が甥の公暁に暗殺された。