The Red Army reached Słonim in mid-July 1944 during Operation Bagration . After World War II ended , Poland 's borders were redrawn , according to the demands made by Josef Stalin during Tehran Conference confirmed ( as not negotiable ) at the Yalta Conference of 1945 . Słonim ( Cyrillic : Сло́ним ) was then incorporated into the Byelorussian SSR of the Soviet Union . The Polish population was expelled and forcibly resettled within the new borders of Poland before the end of 1946 . The Jewish community was never restored . Since 1991 , Slonim has been one of the district centres of the Grodno Region in sovereign Belarus
Yalta Conference
Yalta Conference
Słonim Ghetto