Tiananmen Square military parade every 10 years. However, the chaos of the Cultural Revolution prevented such an event from taking place on National Day, 1969. Ten years later, in 1979, the CCP again decided against a large scale celebration, coming at a time when Deng Xiaoping was still consolidating power and China had suffered a rebuff in a border war with Vietnam early in the year. By 1984, with the situation much improved and stabilized, the PRC held a military parade for the first time since 1959. The aftermath of the Tiananmen Square massacre prevented any such activities in October 1989, but
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