Guyana:
26 May 1966 (from UK)

Haiti:
1 January 1804 (from France)

Holy See (Vatican City):
11 February 1929 (from Italy)

Honduras:
15 September 1821 (from Spain)

Hong Kong:
none (special administrative region of China)

Hungary:
1001 (unification by King Stephen I)

Iceland:
17 June 1944 (from Denmark)

India:
15 August 1947 (from UK)

Indonesia:
17 August 1945 (proclaimed independence; on 27 December
1949, Indonesia became legally independent from the Netherlands)

Iran:
1 April 1979 (Islamic Republic of Iran proclaimed)