六四 liùsì June 4 incident Origin Definitions Defs Strokes Stroke Words Sentences Sents 六四事件 liùsìshìjiàn Tiananmen Square massacre The Tiananmen Square protests and subsequent military crackdown in Beijing on June 4, 1989.六四惨案 liùsìcǎn'àn June Fourth Massacre the military crackdown on pro-democracy protesters in and around Tiananmen Square on June 4, 1989