Did the Tiananmen Square protests and crackdown happen in 1989?

Yes, the Tiananmen Square protests (also known as the June Fourth Incident) and the subsequent military crackdown by the Chinese government did occur in 1989.

The protests began in mid-April 1989 in Beijing’s Tiananmen Square, involving students and others calling for political reform, free speech, and an end to corruption. They were violently suppressed by the People’s Liberation Army on the night of June 3–4, 1989.