Zhennanguan Uprising

Uprising on 1 December 1907 at Zhennanguan (Friendship Pass) on the Chinese-Vietnamese border. Revolutionaries sent by Sun Yat-sen captured the cannon tower with help from sympathetic defenders, and Sun, Huang Xing, and Hu Hanmin went to command; Qing troops under Long Jiguang and Lu Rongting counterattacked, forcing a retreat into the mountains, after which Sun moved to Singapore.