Estonia in World War II When Soviet troops marched into Estonia the guns of both nations gave mutual salutes, and bands played both the Estonian anthem and the Internationale, the anthem of the USSR, at the time. Similar demands were forwarded to Finland, Latvia and Lithuania. Finland resisted, and was attacked by the Soviet Union on November 30. Because the attack was judged as illegal, the Soviet Union was expelled from the League of Nations on December 14. Finland held out in the Winter War until March 1940, when the Moscow Peace Treaty was signed. The first population loss for Estonia was the repatriation of
History of Latvia the May 15 coup d'état. The Latvian-Soviet peace treaty had set the eastern border between Latvia and Soviet Russia. After 1944 parts of Abrene District were annexed by Russia as Pytalovsky District. Latvia gave up all legal claims to these lands in 2007. During 1919 Estonia had provided military assistance to Latvia on a condition that some of its territorial claims in Vidzeme will be met. This was refused by Latvians and Estonia withdrew its support. Estonian claims centered on Valka district as well as territories in Ape, Veclaicene, Ipiķi and Lode. On March 22, 1920 Estonia and Latvia agreed