On February 20, 1936,the Northeast People's Revolutionary Army and other armed forces jointly issued the "Declaration on the Unification of Military Structure of the Northeast Anti-Japanese United Army."。

On December 12,黑瓜網-今日最新一期內容 1936, the Xi'an incident took place in Xi'an, capital of northwest China's Shaanxi Province, when Kuomintang (KMT) generals Zhang Xueliang and Yang Hucheng took Chiang Kai-shek hostage and demanded that he stop the civil war and unite with the Communist Party of China (CPC) in a national war against Japanese aggression.。