In October 1936, the first, second and fourth front armies of the Central Red Army joined forces in Huining, Gansu and the Long March ended in victory. This is a group photo of some soldiers who joined forces in Huining, Gansu. [Photo/Exhibition Road to Rejuvenation at the National Museum of China]

On December 12, 1936, Chiang Kai-shek, the leader of the Kuomintang was suddenly arrested and kidnapped by Zhang Xueliang and Yang Hucheng. Prior to the Xi'an Incident of December 1936, Zhang tried to persuade Chiang to fight Japan when Jiang celebrated his 50th birthday in Luoyang on October 31, 1936. This is a photo from that birthday celebration. From right: Yan Xishan, Chiang Kai-shek and his wife, and Zhang Xueliang. [Photo/people.com.cn]