25 May 1946 (from League of Nations mandate under British administration)
Religions
Roman Catholic 90%, other 10%
Sunni Muslim 92%, Christian 6% (majority Greek Orthodox, but some Greek and Roman Catholics, Syrian Orthodox, Coptic Orthodox, Armenian Orthodox, and Protestant denominations), other 2% (several small Shia Muslim and Druze populations) (2001 est.)
Languages
French (official), English, Italian, Monegasque
Arabic (official), English widely understood among upper and middle classes