The red flag is planted at Zhennanguan Introduction: On October 1, 1949, the reactionary rule of Chiang Kai-shek was overthrown and the People's Republic of China was established. After that, the Chinese People's Liberation Army pursued the victory and swept away the remaining enemies. At 6:30 pm on December 11, the "August 1st" military flag of the Chinese People's Liberation Army was raised on this ancient gate tower, marking the liberation of the entire territory of Guangxi.