sentences:  Estonia was formally annexed into the Soviet Union on 6 August and renamed the Estonian Soviet Socialist Republic.The 1940 occupation and annexation of Estonia into the Soviet Union was considered illegal and never officially recognized by Great Britain, the United States, Canada, France and other capitalist democracies of the West.During the first year of Soviet occupation (1940–1941) over 8,000 people, including most of the country's leading politicians and military officers, were arrested.