百花運動 [ㄅㄞˇ ㄏㄨㄚ ㄩㄣˋ ㄉㄨㄥˋ; bai3 hua1 yun4 dong4] Hundred Flowers Campaign (PRC, 1956-57), in which Mao called for the taboo on discussing mistakes of the CCP to be lifted ◄ ►