六四天安門事件 The Tiananmen Square protests of 1989 天安門大屠殺 The Tiananmen Square Massacre Red China army killed great number of Chinese democratization's people in Tienanmen Square in 1989 Jun .
反右派鬥爭 The Anti-Rightist Struggle Mao Zedong's infamous Anti-Rightist Campaign of 1957, in which hundreds of thousands of Chinese intellectuals were killed, jailed, or persecuted.
大躍進政策 The Great Leap Forward Mao Zedong's Great Leap Forward killed 60 million in four years
文化大革命 The Great Proletarian Cultural Revolution Over 40 million Chinese were massacred by red China of Mao Zedong in Chinese culture revolution (1966-79) .