Home to one-fifth of the world's population and is also the world's third largest country in area. The north where the Huand He (Yellow River) flows is cold and dry. The south which includes Guangzhou (Canton) and Hong Kong is much warmer. The two ares are divided by the Chang Jiang (Yangtze) the third longest river in the world which flows to Shanghai, the largest city in China.
China's name comes from the Ch'in (Qin) Dynasty, founded in 221 B.C. First empror was Huang Ti. Weakend by foreign wars and the last emperor was forced out in 1912 and a republic was formed. The first president was Sun Yat-Sen. After a civil war in 1949 the Communists under Mao Zedong took control. China invaded and occupied Tibet in 1950. In 1972 president Richard M Nixon become the first president to visit China. United State