Along with fellow students Yeung Hok-ling, Chan Siu-bak and Yau Lit, Sun Yat-sen started to promote the thought of overthrowing the Qing empire while he studied in the Hong Kong College of Medicine for Chinese. The four students were known by the Qing as the Four Bandits. Sun attended To Tsai Church (道濟會堂, founded by the London Missionary Society in 1888) while he studied in this college. Sun led the Chinese Revolution of 1911, which changed China from an empire to a republic.
