I made a video and song about this - 30 years ago The Tiananmen Square protests, commonly known in mainland China as the June Fourth Incident or Six four, were student-led demonstrations in Beijing in mid-1989. More broadly, it refers to the popular national movement inspired by the Beijing protests during that period, sometimes called the '89 Democracy Movement. https://www.youtube.com/watch?v=BY8FBajHww0&t=3s