History of Lithuania German-held city during the ill-fated Operation Ostra Brama. The Red Army captured Vilnius with Polish help on 13 July. The Soviet Union re-occupied Lithuania and Joseph Stalin re-established the Lithuanian Soviet Socialist Republic in 1944 with its capital in Vilnius. The Soviets secured the passive agreement of the United States and Great Britain (see Yalta Conference and Potsdam Agreement) to this annexation. By January 1945, the Soviet forces captured Klaipėda on the Baltic coast. The heaviest physical losses in Lithuania during World War II were suffered in 1944–1945, when the Red Army pushed out the Nazi invaders. It is estimated
Centennial of the Restored State of Lithuania of Independence of Lithuania, which proclaimed the restoration of an Independent State of Lithuania, creating a modern state. During World War II, Lithuania was forcibly occupied and annexed by the Soviet Union in 1940, followed by Nazi Germany in 1941, and again by the Soviets in 1944 as one of its constituent republics. During the late 1980s and the dissolution of the Soviet Union, Lithuania fought to restore its independence which culminated in the Act of the Re-Establishment of the State of Lithuania signed on 11 March 1990. In order to have every Lithuanian citizen experience the significance of this