Gibraltar
National Day, 10 September (1967); note - day of the
national referendum to decide whether to remain with the UK or join
Spain

Greece
Independence Day, 25 March (1821)

Greenland
June 21 (longest day)

Grenada
Independence Day, 7 February (1974)

Guam
Discovery Day, first Monday in March (1521)

Guatemala
Independence Day, 15 September (1821)

Guernsey
Liberation Day, 9 May (1945)

Guinea
Independence Day, 2 October (1958)

Guinea-Bissau
Independence Day, 24 September (1973)

Guyana
Republic Day, 23 February (1970)