 From August 22 to August 23, most remaining Japanese units agreed to a ceasefire.The Soviets completed the conquest of Karafuto on August 25, 1945 by occupying the capital of Toyohara.Of the approximately 400,000 people – mostly Japanese and Korean – who lived on South Sakhalin in 1944, about 100,000 were evacuated to Japan during the last days of the war.