Political map of East Asia and the Western Pacific on 18 Sep 1931 (China's Nanjing Decade: Mukden Incident), showing the following events: Nationalist victory in Central Plains War; Fengtian clique takes Beiping in support of Chiang Kaishek’s Nationalist regime; Condition for the Rendition of Weihaiwei; Chinese Nationalists begin their Encirclement Campaigns against the Communists
; Chen Jitang, governor of Guangdong, rebels across authority of Chinese Nationalist regime; First Ma intervention in Xinjiang; Mukden Incident.