Tiananmen Square largest city squares in the world (440,500 m – 880×500 m or 109 acres – 960×550 yd). It has great cultural significance as it was the site of several important events in Chinese history. Outside China, the square is best known for the armed suppression of the pro-democracy June 1989 Tiananmen Square protests. The Tiananmen ("Gate of Heavenly Peace"), a gate in the wall of the Imperial City, was built in 1415 during the Ming dynasty. In the 17th century, fighting between Li Zicheng's rebel forces and the forces of the Manchu-led Qing dynasty caused heavy damage to, or even
1989 Tiananmen Square protests of 17 April, three thousand PKU students marched from the campus towards Tiananmen Square, and soon nearly a thousand students from Tsinghua joined. Upon arrival, they soon joined forces with those already gathered at the Square. As its size grew, the gathering gradually evolved into a protest, as students began to draft a list of pleas and suggestions (Seven Demands) for the government: On the morning of 18 April, students remained in the Square. Some gathered around the Monument to the People's Heroes singing patriotic songs and listening to impromptu speeches by student organizers, others gathered at the Great Hall.