Eisho Disturbance refers to an incident during the early Sengoku period (period of warring states) (Japan) where the kanrei (shogunal deputy) for the Muromachi bakufu (Japanese feudal government headed by a shogun) named Masamoto HOSOKAWA was assassinated in 1507.
永正の錯乱（えいしょうのさくらん）は、戦国時代(日本)の初期にあたる永正4年（1507年）、室町幕府管領・細川政元が殺害された事件を指し示す。