Tiananmen Gate (The Gate of Heavenly Peace) -- serves as the front gate into the Forbidden City 紫禁城 in Beijing 北京. Tiananmen Square 天安門廣場 is the plaza in front of the gate.

noun; Tiananmen Incident, commonly known as the June Fourth Incident, was a student-led popular demonstrations for China's democracy in Beijing during spring of 1989

Tiananmen Square (Tiananmen 天安門 means "The Gate of Heavenly Peace") -- a large paved public plaza in the middle of Beijing 北京 in front of the Forbidden City 紫禁城 that was the site of various political events and protest movements during the 20th century.