Latvia for the next 45 years. The peaceful Singing Revolution, starting in 1987, called for Baltic emancipation from Soviet rule and condemning the Communist regime's illegal takeover. It ended with the Declaration on the Restoration of Independence of the Republic of Latvia on 4 May 1990, and restoring "de facto" independence on 21 August 1991. Latvia is a democratic sovereign state, parliamentary republic and a very highly developed country according to the United Nations Human Development Index. Its capital Riga served as the European Capital of Culture in 2014. Latvian is the official language. Latvia is a unitary state, divided into
Flag of Latvia is 1:5. The proportion between the length and width of the Banner is 3:2. Flag of Latvia The national flag of Latvia () was used by independent Latvia from 1918 until the country was occupied by the Soviet Union in 1940. Its use was suppressed during Soviet rule. Shortly before regaining its independence, Latvia re-adopted on 27 February 1990 the same red-white-red flag. Though officially adopted in 1923, the Latvian flag was in use as early as the 13th century. The red colour is sometimes described as symbolizing the readiness of the Latvians to give the blood from their hearts