Museum of the Occupation of Latvia Museum of the Occupation of Latvia The Museum of the Occupation of Latvia () is a museum and historic educational institution located in Riga, Latvia. It was established in 1993 to exhibit artifacts, archive documents, and educate the public about the 51-year period in the 20th century when Latvia was successively occupied by the USSR in 1940–1941, then by Nazi Germany in 1941–1944, and then again by the USSR in 1944–1991. Official programs for visits to Latvia of top level representatives of other countries normally include a visit to the Museum of the Occupation. The museum was established in 1993
On the Restoration of Independence of the Republic of Latvia that in April 1920 the Latvian nation followed the principle of self-determination by electing a Constitutional Assembly of Latvia, which adopted the Constitution of Latvia on 15 February 1922, in general, equal and direct elections, based on proportional representation. On 23 August 1939, the Soviet Union and Nazi Germany signed the Molotov–Ribbentrop Pact, which included a secret protocol dividing Eastern Europe into spheres of influence. Latvia was apportioned to the Soviet sphere and on 5 October 1939, signed a mutual assistance pact. On 16 June 1940, the Soviet Union issued an ultimatum to Latvia accusing it of not carrying out