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)
Religions
Protestant 45%, Roman Catholic 33%, Muslim 10%, indigenous beliefs 10%, other 2% note: a large majority of Kenyans are Christian, but estimates for the percentage of the population that adheres to Islam or indigenous beliefs vary widely
Daoist (Taoist), Buddhist, Christian 3%-4%, Muslim 1%-2% note: officially atheist (2002 est.)
Languages
English (official), Kiswahili (official), numerous indigenous 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)