Did the Tiananmen Square protests and crackdown happen in 1989?

Yes, the Tiananmen Square protests and the subsequent military crackdown did happen in 1989.

The student-led demonstrations for democracy, freedom of speech, and government accountability began in mid-April 1989. The movement culminated on the night of June 3 and the morning of June 4, 1989, when the Chinese government mobilized the military to clear the square, resulting in a violent crackdown and the deaths of hundreds to thousands of protesters and civilians.