The Baltic strategic defensive operation (Russian: Прибалтийская стратегическая оборонительная операция, romanized: Pribaltiyskaya strategicheskaya oboronitel'naya operatsiya) encompassed the operations of the Red Army from 22 June to 9 July 1941 conducted over the territories of Soviet-occupied Lithuania, Latvia, and Estonia in response to the offensive launched by the Wehrmacht in Operation Barbarossa.