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)
2 September 1945 (from France)
Religions
Daoist (Taoist), Buddhist, Christian 3%-4%, Muslim 1%-2% note: officially atheist (2002 est.)
Buddhist 9.3%, Catholic 6.7%, Hoa Hao 1.5%, Cao Dai 1.1%, Protestant 0.5%, Muslim 0.1%, none 80.8% (1999 census)
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)
Vietnamese (official), English (increasingly favored as a second language), some French, Chinese, and Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
Exports
electrical and other machinery, including data processing equipment, apparel, textile, iron and steel, optical and medical equipment