Tongmenghui of China 中國同盟會 Leader Sun Yat-sen, Song Jiaoren Founded 20 August 1905 (1905-08-20) Dissolved 25 August 1912 (1912-08-25) Merger of Revive China Society Huaxinghui Guangfuhui Succeeded by Kuomintang Membership c. 50,000–100,000 Ideology Chinese nationalism Han nationalism Republicanism Mínshēng Anti-Qing sentiment Colours Blue Advisory Council (1909) 5 / 200 Party flag Politics of China Political parties Elections