Wu Peifu
The First Zhili–Fengtian War (First Chihli-Fengtien War; ) was a 1922 conflict in the Republic of China's Warlord Era between the Zhili and Fengtian cliques for control of Beijing. The war led to the defeat of the Fengtian clique and the fall of its leader, Zhang Zuolin, from the coalition Zhili-Fengtian government in Beijing. Wu Peifu was credited as the strategist behind Zhili's victory.