1:1In April, 928, the autumn harvest uprising troops led by Mao Zedong joined forces with some Nanchang uprising troops led by Zhu De and Chen Yi in Jinggangshan, which was a major historical event in the history of the China People's Liberation Army. 1June, 927, Mao Zedong led the revolutionary army of workers and peasants to Jinggangshan, and established the Jinggangshan revolutionary base with Ningkang as the center.