Chinese Cultures By sandhills 101 Qui Shi Haungdi uniflies China and becomes its emperor Jan 1, 1046 Tranditional chinese society was organized into a herarchic system of soico-enonimic classes known as the four occupations. Feb 1, 1931 Japan invades the province of Manchuria.After Japan is defeated in World War II,civil war breaks out in China. Feb 2, 1949 Moa's plan to change China's economy and falling system fails.Millions of people die of starvation. Mar 10, 1949 About 1 million students hold pro-demoracy protest in Beijing Tiananmen square.The uprising is crushing by the army. May 20, 1972 Richard M. Nixon become the first U.S. President to visit Communist China. Jan 1, 2008 Beijings hosts the XXIX Olypiad.