Sandomierz–Silesian offensive

The Sandomierz–Silesian offensive was part of the Soviet Vistula–Oder offensive (12 January – 3 February 1945) during World War II. It was carried out by the 1st Ukrainian Front under Ivan Konev, aiming to destroy German troops in southern Poland, reach the Oder and capture a bridgehead on the west bank of the Oder. The 1st Front began its offensive on 12 January, starting from the Sandomierz bridgehead.

Source: Wikipedia — Sandomierz–Silesian offensive (CC BY-SA 4.0)