69 years ago today, April 28th, 1956 (March 18th, 1956) in the Lunar Calendar, a hundred struggles were put forward. Mao Zedong met Bang (right 1) and Zhou Sheng (right 2) etc. On April 28th, 1956, the Political Bureau of the Central Committee of the Communist Party of China said at an expanded conference that the "hundred flowers are released" on the art issue, the "hundred struggles" on the academic issue, should become the principles of our country's development of science and literary arts. This principle was put forward by Mao Zedong, an important policy on scientific and cultural work determined by the Central Committee of the Communist Party of the Communist Party of China. On May 26, the Ministry of Public Affairs of the Communist Party of China held a report on behalf of the Central Committee