土木堡之变 (土木堡之變) Tǔmùbǎo zhī Biàn

Tǔmùbǎo zhī Biàn proper noun Tumu Crisis / Crisis of Tumubao / Battle of Tumu Fortress
Domain: History 历史 , Subdomain: China 中国 , Concept: Battle 战争
Notes: (1449) The wipe out of the entire Ming military force and capture of Emperor Zhengtong at Tumubao during a northern campaign during to Western Mongolia