The Soviet Union occupies the Baltic States on June 14–18, engineering Communist coup d’états in each of them on July 14–15, and then annexing them as Soviet Republics on August 3–6. (jun 14, 1940 – aug 6, 1940)
Added to timeline:
Date:
jun 14, 1940
aug 6, 1940
~ 1 months and 23 days