May 22, 1962: The "Hundred Flowers Award" for best popular film

May 22, 1962: The China Film Association holds the first ceremony to present the "Hundred Flowers Award" for best popular film

May 22, 2009: The Political Bureau of the CPC Central Committee holds a conference to adopt "Interim Provisions on Implementing Cadres' Accountability", "Regulations on the Inspection Tour by the Communist Party of China" and "Provisions on the Clean Work of Leading Personnel of State-owned Enterprises"