Tiananmen Square Gate of China was demolished, allowing for the enlargement of the square. In November 1958, a major expansion of Tiananmen Square started, which was completed after only 11 months, in August 1959. This followed the vision of Mao Zedong to make the square the largest and most spectacular in the world, and intended to hold over 500,000 people. In that process, a large number of residential buildings and other structures have been demolished. On its southern edge, the Monument to the People's Heroes has been erected. Concomitantly, as part of the Ten Great Buildings constructed between 1958–59 to commemorate the
Defend Tiananmen Square Headquarters Ling led the formation of crowd in the annunciation of the following oath on the Tiananmen Square: "I swear I will protect the republic and Tiananmen Square with my young life. Heads can roll, blood can flow, but the people's Square can never be lost! We are willing to fight to the last person." According to Chai Ling's book "", and Wu Renhua's book Major Events, Tiananmen 1989 at least one hundred thousand people gathered in the Square when Chai Ling took the oath. And some people joined them after Wang Dan announced the formation of the Defend Tiananmen Square