Outside China, the square is best known for the 1989 protests and massacre that ended with a military crackdown due to international media coverage, internet and global connectivity, its political implications, and other factors.
Because of this diversion in traffic, a busy marketplace, called "Chess Grid Streets", was developed in the large fenced square to the south of this gate.
The Xianfeng Emperor eventually agreed to let Western powers barrack troops – and later establish diplomatic missions – in the area, hence there was the Legation Quarter immediately to the east of the square.
When the forces of the Eight-Nation Alliance besieged Beijing during the Boxer Rebellion in 1900, they badly damaged the office complexes and burnt down several ministries.
[citation needed] In Beijing, Tiananmen was re-developed from an insular imperial quarter to a larger public space viewed as consistent socialist political.
[11] For the first decade of the PRC, each National Day (October 1) was marked by a large military parade in Tiananmen Square, in conscious emulation of the annual Soviet celebrations of the Bolshevik Revolution.
[citation needed] In 1971, large portraits of Karl Marx, Friedrich Engels, Vladimir Lenin, Joseph Stalin, Sun Yat-sen, and Mao Zedong were erected in the square, painted by artist Ge Xiaoguang, who is also responsible for producing the famous portrait of Mao that hangs over the Gate of Heavenly Peace.
The aftermath of the Tiananmen Square massacre prevented any such activities in October 1989, but military parades have been held in 1999 and 2009, on the 50th and 60th anniversaries of the PRC's founding.
[13][14] Following the crackdown, many of the student leaders escaped to the United States with the help of foreign intelligence agencies and other parties through Operation Yellowbird.
[11] Used as a venue for mass gatherings since its creation, its flatness is contrasted by both the 38-meter (125 ft)-high "Monument to the People's Heroes" and the "Mausoleum of Mao Zedong".
In 2023, police detained over 20 people, including Activist Alexandra Wong, on the 34th anniversary of the bloody Tiananmen Square crackdown for "breaching the peace".