Estonian SSR

The Estonian Soviet Socialist Republic, Soviet Estonia, was the union republic of the Soviet Union on the occupied and annexed territory of Estonia, existing from 1940 to 1941 and again from 1944 to 1990, when the name was dropped. It was nominally raised to replace the independent Republic of Estonia on 21 July 1940, a month after the Soviet invasion and occupation of June 1940, and a Stalinist government backed by the Red Army declared it a Soviet constituency before it entered the Union as a republic on 6 August. Nazi Germany occupied the country in 1941 until the Soviet reconquest of 1944, and the partisan war and the deportations marked both occupations. Most of the world's states never recognised the annexation de jure, recognising the Soviet administration de facto at most or not at all, and several kept recognising Estonian diplomats. The name Estonian SSR was discontinued in 1990 and independence restored in 1991.