Cai E
Cai E (; 18 December 1882 – 8 November 1916) was a Chinese revolutionary leader and general. He was born Cai Genyin () in Shaoyang, Hunan, and his courtesy name was Songpo (). Cai eventually became an influential warlord in Yunnan, and is best known for his role in challenging the imperial ambitions of Yuan Shikai during the anti-monarchy war.