During the Invasion of the Kuril Islands, Soviet forces landed on Paramushir on August 18, 1945, and combat operations continued through August 23, ending with the surrender of the surviving members of the Japanese garrison. The Soviets forcibly deported the remaining Japanese civilian inhabitants and sent the prisoners of war to labor camps. Kashiwabara was renamed Severo-Kurilsk ("Northern Kuril Town") and the island annexed by the Soviet Union in 1946.