On this day, 58 years ago, on January 23, 1967 (December 13, 1966 in the lunar calendar), the central government decided that troops would intervene in the local Cultural Revolution. On January 23, 1967, the Central Committee of the Communist Party of China, the State Council, the Central Military Commission, and the Central Cultural Revolution issued the "Decision on the People's Liberation Army's Firmly Support for the Revolutionary Leftist Masses", namely, the People's Liberation Army's Liberation Army's support for the leftist Masses, namely, the People's Liberation Army's support for the leftist Masses (support for what was then called the leftist Masses), support for labor (support for industry), support for agriculture (support for agriculture), military control (military control over some regions and departments), and military training (military training for students). In the chaotic situation at that time, the People's Liberation Army was sent to implement "three branches and two armies", which played a certain role in stabilizing the situation. However, because the guiding ideology of the "Cultural Revolution" was wrong, it also brought about some negative consequences. In August 1972, the Central Committee of the Communist Party of China issued the "Notice on Soliciting Opinions on the Issues of the Three Branches and Two Armies" attached to the "Decision on Certain Issues of the Three Branches and Two Armies (Draft)", stipulating that the "Three Branches and Two Armies" should be abolished in places and units where party committees have been established. Organization and personnel of the "Three Branches and Two Armies". Since then, the personnel of the "three branches and two armies" successively withdrew. The People's Liberation Army stationed in Beijing Aviation Academy to perform military control and military training tasks