221 BC (unification under the Qin or Ch'in Dynasty); 1 January 1912 (Qing or Ch'ing Dynasty replaced by the Republic of China); 1 October 1949 (People's Republic of China established)
31 August 1991 (from Soviet Union)
Religions
Daoist (Taoist), Buddhist, Christian 3%-4%, Muslim 1%-2% note: officially atheist (2002 est.)
Muslim 75%, Russian Orthodox 20%, other 5%
Languages
Standard Chinese or Mandarin (Putonghua, based on the Beijing dialect), Yue (Cantonese), Wu (Shanghainese), Minbei (Fuzhou), Minnan (Hokkien-Taiwanese), Xiang, Gan, Hakka dialects, minority languages (see Ethnic groups entry)
Kyrgyz 64.7% (official), Uzbek 13.6%, Russian 12.5% (official), Dungun 1%, other 8.2% (1999 census)
Exports
electrical and other machinery, including data processing equipment, apparel, textile, iron and steel, optical and medical equipment
