The Republic of China in 1925:
Early 1925, Unspecified Date:
The Guominjun assumes control of Shaanxi and Jehol. Yulin joins the Guominjun. The Ngoloks revolt against the Ma. Guizhou becomes independent from Yunnan and takes control of southern Sichuan.
January:
Guominjun takes over Suiyuan. Anhui Clique takes over Jiangsu with the support of the Northeast Army.
February:
Liu Zhenhua, the Guominjun commander of Kaifeng, revolts against Feng Yuxiang and defeats pro-Guominjun factions in the province at Luoyang.
March:
Guominjun retakes Luoyang. The death of Sun Yixian, the leader of the Guominang, sparks a civil war between his former followers. Tang Jiyao, the governor of Yunnan, cooperates with the Yue Clique to overthrow Hu Hanmin (the new leader of the GMD) and Li Zongren (the leader of the New Gui Clique).
April:
Feng Yuxiang and Hu Jingyi defeat Liu Zhenhua. Hu Jingyi's clique becomes the Guominjun-supported authority in Henan. The Anhui Clique shifts south as they continue their advance against the United Provinces under Sun Chuanfang. Zhang Zongchang, a general of the Northeast Army, becomes the governor of Shandong.
May:
GMD forces led by Jiang Jieshi, and loyal to Hu Hanmin, extinguish the Yue Clique. Tang Jiyao abandons his war against the Gui Clique.
August:
The Northeast Army assumes control of Jiangsu. The United Provinces retake Anhui province. The Anhui Clique still exists, but only as a weak government in Beijing. Meanwhile the Guominjun defeat the Hui leaders of Kansu.
October:
The Anti-Fengtien War begins with Guo Songling, a Northeast Army general, defecting to the Guominjun. The southern factions remain initially neutral.
November:
The Zhili Clique aligns with the Northeast Army. Guo Songling besieges Mukden, the capital of the Northeast Army. The United Provinces army seizes Jiangsu but does not align with the Guominjun. The Jin Clique breaks its alliance with the Guominjun.
December:
Guo Songling is defeated and executed by the Northeast Army. Anhui province secedes from the United Provinces in support of the Guominjun, drawing another faction into the Northeast Army's alliance.