1 December 1918 (became a sovereign state under the Danish Crown); 17 June 1944 (from Denmark)
National holiday:
Independence Day, 17 June (1944)
Constitution:
16 June 1944, effective 17 June 1944; amended many times
Legal system:
civil law system based on Danish law; has not accepted compulsory ICJ jurisdiction
Suffrage:
18 years of age; universal
Executive branch: