april 1928, zhu de, chen yi led the nanchang uprising preserved army and the autumn harvest uprising led by mao zedong‘s forces in jinggangshan realignment, the official composition of the revolutionary armed forces of china‘s fourth army of workers and peasants. june 30, 1933, the central revolutionary military commission of the decision: august 1 each year for the anniversary ofthe chinese worker’s and peasants’ red army. july 11 the same year, the chinese soviet republic of the provisional central government approved the decision. since then, the '81' has become the chinese people‘s liberation army day.