Tiananmen Square incident was happened June 4, 1989 in Tiananmen Square in Beijing China. The Chinese government condemned the protests as a counterrevolutionary riot, and has prohibited all forms of discussion or remembrance of the event in China.

Tiananmen Square, Beijing. It is one of the outer parts of the forbidden city.
Tiananmen Square
Tiananmen Square, Beijing.

this event is called the protest at Tiananmen Square of 1989, aka the massacre at Tiananmen Square of 1989 or the June 4th incident.

on that day, students who held protests for democracy was killed by tanks and guns . however, that was only a peaceful protest before the massacre.

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The Tiananmen Square massacre occurred on 4 June 1989.