Russian Corps
At the end of the war, Croatian and German forces began retreating to the Austrian border through Slovenia. Slovene forces also began retreating and on 12 May 1945, around 30,000 soldiers, including 10,000 to 12,000 Slovenes, 10,000 Germans, 4,000 Serbs, 4,000 members of the Russian Corps, and 6,000 Slovene civilians, surrendered to the British forces on the Austrian border.