The Anti-Fengtian War was the last major civil war within the Republic of China's northern Beiyang government prior to the Northern Expedition. It lasted from November 1925 to April 1926 and was waged by the Guominjun against the Fengtian clique and their Zhili clique allies. The war ended with the defeat of the Guominjun and the end of the provisional executive government. The war is also known as the Third Zhili–Fengtian War.