II Corps (Poland) in the context of Władysław Anders

The Polish Armed Forces in the East (Polish: Polskie Siły Zbrojne na Wschodzie), also called Polish Army in the USSR, were the Polish military forces established in the Soviet Union during World War II.

Two armies were formed separately and at different times. Anders' Army, created in the second half of 1941, was loyal to the Polish government-in-exile. After Operation Barbarossa and the consequent Polish-Soviet Sikorski–Mayski agreement, an amnesty for Polish citizens in the Soviet Union was declared, which made the formation of Polish military units possible. In 1942, Anders' Army was evacuated to Iran and transferred to the command of the Western Allies. It became known as the Polish II Corps and went on to fight Nazi German forces in the Italian Campaign, including the Battle of Monte Cassino.

Anders' Army was the informal yet common name of the Polish Armed Forces in the East in the 1941–42 period, in recognition of its commander Władysław Anders. The army was created in the Soviet Union but, in March 1942, based on an understanding between the British, Polish, and Soviets, it was evacuated from the Soviet Union and made its way through Iran to Palestine. There it passed under British command and provided the bulk of the units and troops of the Polish II Corps (member of the Polish Armed Forces in the West), which fought in the Italian Campaign. Anders' Army is notable for having been primarily composed of liberated POWs and for Wojtek, a bear who had honorary membership.