- 1866-1925: Sun Yat-sen.
- 1894: Sun Yat-sen forms the Revive China Society (Xing Zhong Hui).
- 1905: Sun Yat-sen forms the United League (Tong Meng Hui).
- 1911: An Army revolt marks the beginning of the Republic.
- 1912: Sun Yat-sen is made first provisional President of the Republic.
- Guo Min Dang (KMT), The National People's Party is founded.
- Emperor Xuan Tong resigns.
- Yuan Shikai becomes provisional President.
- 1915: Japan presents its Twenty-One Demands.
- 1916: Warlords struggle for power after the death of Yuan Shikai.
- 1919: May Fourth Movement.
- 1921: Chinese Communist Party (CCP) is formed.
- 1921-1922: Nine Power Treaty.
- 1923: Chiang Kai-shek becomes head of the Huangpu Military Academy.
- 1925: Sun Yat-sen dies.
- 1926-1927: Mao Zedong organizes the peasants of Hunan Province.
- 1927: Chiang Kai-shek kills the leaders of the labor unions and the Communist Party.
- 1928: Capital is moved to Nanjing.
- Most of China is under KMT control.
- Japanese blow up Zhang Zuolin's train.
- 1929-1931: Disastrous famine.
- 1930-1934: Chiang Kai-shek leads five encirclement campaigns against the Communists.
- 1931: Mukden Incident.World War II Chronology
- 1934-35: The Long March of the Communist Party.
- 1936: Xian coup.
- 1937: Incident at Marco Polo Bridge.
- 1938: Japanese take much of China.
- 1940: Puppet government under Wang Jingwei is established.
- 1945: Japanese surrender.
- 1946: KMT and CCP agree to a cease fire. Cease fire does not last.
- 1948: CCP takes Manchuria and northern China.
- 1949: Chiang Kai-shek and KMT retreat to Taiwan.