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When did the Red Army occupy Latvia?
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The Red Army invaded and occupied Latvia on June 17, 1940.1
This occupation followed the secret protocol of the German-Soviet Nonaggression Pact, which had previously assigned Latvia to the Soviet sphere of influence. Following the invasion, a new government was formed, and in July 1940, the new Saeima voted for Latvia's incorporation into the U.S.S.R., a move that was officially accepted by the Soviet Union on August 5, 1940.12