The troops advanced into central parts of Beijing on the city's major thoroughfares in the early morning hours of 4 June and engaged in bloody clashes with demonstrators attempting to block them, in which many people – demonstrators, bystanders, and soldiers – were killed. Estimates of the death toll vary from several hundred to several thousand, with thousands more wounded.[15][16][17][18][19][20]

https://en.m.wikipedia.org/wiki/1989_Tiananmen_Square_protests_and_massacre

If.you lived in China you'd likely not know about this, since people who talk about it go to prison. Yeah the US is exactly like this so let's not talk about Chinese government being awful to their citizens