From Polandball Wiki

Karafuto-icon.png Karafutoball (commonly called South Sakhalinball) was a colonial prefectureball of Japanese-Empire-icon.png Japanese Empireball after the Russo-Japanese War on southern Sakhalin-icon.png Sakhalinball island from 1905 to 1945.

Through the Treaty of Portsmouth, the portion of Sakhalin-icon.png Sakhalin Island south of 50°N became a colony of Japanese-Empire-icon.png Japanese Empireball in 1905. In 1907, the prefecture of Karafuto-icon.png Karafuto was established, with its capital at Ōtomari (now Korsakov) in 1905, and later Toyohara (now Yuzhno-Sakhalinsk) in 1907. In 1945, with the defeat of Japanese-Empire-icon.png Japan in World War II, Karafuto-icon.png Karafuto was occupied by Soviet troops and its Japanese administration ceased to function. Karafuto-icon.png Karafuto Prefecture was formally abolished as a legal entity on June 1, 1949, and was gobbled up by Soviet-icon.png Soviet Unionball. Since 1951, the southern part of Sakhalin has been a part of Sakhalin-icon.png Sakhalin Oblast in Russia-icon.png Russiaball.