Flag of Schleswig-Holstein flag on 18 January 1957. The plain tricolour is the state's civil flag. Government authorities use the state flag ("Landesdienstflagge"), where the flag is defaced by the state coat of arms. The tricolour was previously used for the Prussian province of Schleswig-Holstein (1868-1946). It is almost identical to the flags of the Kingdom of Yugoslavia, Serbia and Montenegro (FR Yugoslavia), as well as the flag of the Netherlands inverted. Flag of Schleswig-Holstein The flag of Schleswig-Holstein is a horizontal tricolour of blue, white, and red. Schleswig-Holstein is one of the 16 states of Germany, comprising most of the historical duchy
Flag of Estonia Flag of Estonia The national flag of Estonia () is a tricolour featuring three equal horizontal bands of blue (top), black, and white. The normal size is . In Estonian it is colloquially called the ""sinimustvalge"" (literally "blue-black-white"), after the colours of the bands. First adopted on 21 November 1918 after its independence, it was used as a national flag until 1940 when the Soviet Union and Germany occupied Estonia. After World War II, from 1944 to 1990, the Soviet Estonian flag consisted first of a generic red Soviet flag with the name of the republic, then changed to the