Chad:
11 August 1960 (from France)
Chile:
18 September 1810 (from Spain)
China:
221 BC (unification under the Qin or Ch'in Dynasty 221 BC;
Qing or Ch'ing Dynasty replaced by the Republic on 12 February 1912;
People's Republic established 1 October 1949)
Christmas Island:
none (territory of Australia)
Cocos (Keeling) Islands:
none (territory of Australia)
Colombia:
20 July 1810 (from Spain)
Comoros:
6 July 1975 (from France)
Congo, Democratic Republic of the:
30 June 1960 (from Belgium)
Congo, Republic of the:
15 August 1960 (from France)
Cook Islands:
none (became self-governing in free association with
New Zealand on 4 August 1965 and has the right at any time to move
to full independence by unilateral action)