Did the Tiananmen Square protests and crackdown happen in 1989?

Yes, the Tiananmen Square protests and the subsequent military crackdown took place in 1989.

The student-led demonstrations began in April 1989, and the military crackdown, often referred to as the Tiananmen Square Massacre, occurred on June 3–4, 1989, when the Chinese government sent troops and tanks to clear the protesters from the square in Beijing.