18 November 1918 (from Soviet Russia)
National holiday:
Independence Day, 18 November (1918); note - 18 November 1918 was the date Latvia declared itself independent from Soviet Russia; 4 May 1990 is when it declared the renewal of independence; 21 August 1991 was the date of de facto independence from the Soviet Union
Constitution:
15 February 1922; restored to force by the Constitutional Law of the Republic of Latvia adopted by the Supreme Council on 21 August 1991; multiple amendments since
Legal system:
based on civil law system with traces of Socialist legal traditions and practices; has not accepted compulsory ICJ jurisdiction
Suffrage:
18 years of age; universal for Latvian citizens
Executive branch: