During the period of foreign rule in 1940–1991, the Estonian diaspora and diplomatic service around the world continued to use the national flag of Estonia, whereas the use of the national tricolour and its blue, black and white colour combination was banned and punishable by law in the Soviet Union until 1988.
During the period of foreign rule in 1940–1991, the Estonian diaspora and diplomatic service around the world continued to use the national flag of Estonia, whereas the use of the national tricolour and its blue, black and white colour combination was banned and punishable by law in the Soviet Union until 1988