The following is a list of Polish Armies during World War II, together with their commanders and brigade and division-sized units. For a more detailed list see: Polish army order of battle in 1939.
| Formed before the war | Blue |
|---|---|
| Formed during the war in Poland | Green |
| Formed in exile at later stages of the war | Red |
During the Invasion of Poland several divisions were grouped into two units smaller than armies: the Wyszków Operational Group and the Narew Independent Operational Group.
This article discusses the Polish order of battle during the invasion of Poland. In the late 1930s Polish headquarters prepared "Plan Zachód", a plan of mobilization of Polish Army in case of war with Germany. Earlier, the Poles did not regard the Germans as their main threat, priority was given to threat from the Soviets.
The Battle of the Bzura was both the largest battle and Polish counter-attack of the German invasion of Poland and was fought from 9 to 19 September. The battle took place west of Warsaw, near the Bzura River. It began as a Polish counter-offensive, which gained initial success, but the Germans outflanked the Polish forces with a concentrated counter-attack. That weakened Polish forces and the Poznań and Pomorze Armies were destroyed. Western Poland was now under German occupation. The battle has been described as "the bloodiest and most bitter battle of the entire Polish campaign". Winston Churchill called the battle an "ever-glorious struggle".
Operational Group was the highest level type of tactical division of the Polish Army at various points in the 20th century, mainly during the Second World War.
The Battle of Tomaszów Lubelski took place from 18 September to 20 September 1939 near the town of Tomaszów Lubelski. It was the second largest battle of the Invasion of Poland and also the largest tank battle of the campaign. It resulted in the surrender of Army Krakow on 20 September 1939.
Polish 1st Legions Infantry Division is a tactical formation of the Polish Army. Formed on February 20, 1919, partially of veterans of the I Brigade of the Polish Legions, the unit saw extensive action during the Polish-Soviet War and World War II. Regarded by the soldiers of the Wehrmacht as the Iron Division, it distinguished itself in the Invasion of Poland.
The Battle of Radom, also known as the Battle of Iłża, was part of the Invasion of Poland during the Second World War. It lasted from 8 September 1939 to 9 September 1939. Polish troops of the Prusy Army, under General Stanisław Skwarczyński, defended the city of Iłża and the road from Sandomierz to Radom. The Poles were not ready to meet head on overwhelming German XV Army Corps, and were easily defeated after two days of fighting. Prusy Army, in the aftermath of the battle, ceased to exist. Some of the army's units joined other tactical groupings of the Polish armed forces.
The Battle of Wola Cyrusowa took place on 8 September 1939 near the village of Wola Cyrusowa near Stryków in Poland, during the September Campaign. It was fought between the forces of the Polish Piotrków Operational Group under Gen. Wiktor Thommée and the German 10th Infantry Division. In the effect of a successive delaying action, the Polish forces managed to regroup and withdraw eastwards while at the same time inflicting heavy losses on the opposing unit. However, their victory was only a temporary setback for the Nazi invasion of Poland.
The Battle of Kałuszyn, took place between 11 and 12 September 1939 around the town of Kałuszyn near Mińsk Mazowiecki in Poland. It was part of the invasion of Poland at the start of World War II between forces of the Polish Army and the invading German Army.
The 8th Infantry Division was a tactical unit of the Polish Army. It was active in the Polish-Bolshevik War, as well as during the Invasion of Poland in 1939. During World War II, the division was reformed twice as part of two distinct armed forces: once as part of the Home Army during the Warsaw Uprising and again as part of the Polish Army in the East.
The 16th Pomeranian Infantry Division is a military unit of the Polish Army. It was first raised on 16 August 1919 during the Polish uprising, before going on to serve during the subsequent war with the Bolsheviks. At the start of World War II the division fought briefly against the advancing German Army before being destroyed on 19 September 1939 after being surrounded in the Kampinos Forest. The division was raised once more in 1945 following the Soviet takeover of Poland; however, it did not see further action during the war. Afterwards it continued to serve, undergoing a number of changes in name and role. Today, it exists as the 16th Mechanised Division.
The 21st Mountain Infantry Division was a pre-war unit of the Polish Army. It was one of two mountain infantry divisions of Poland to take part in the Invasion of Poland of 1939. Currently its traditions are continued by Polish 21st Podhale Rifles Brigade. Until 1939 the unit was commanded by Gen.bryg. Józef Kustroń and was stationed in and around the towns of Nowy Sącz, Bielsko, Cieszyn, Bogumin, Kraków.
The I Army Corps was a corps of the German army during World War II. It was active between 1934 and 1945, and participated in the Invasion of Poland, the Battle of France and the campaigns on the Eastern Front before eventually ending the war trapped in the Courland Pocket.
The Battle of Chojnice occurred during the 1939 German invasion of Poland on the first day of the hostilities, 1 September. A detached unit from the Polish army Chojnice Detached Group under Colonel Kazimierz Tadeusz Majewski, part of the Czersk Operational Group under Stanisław Grzmot-Skotnicki, was assigned the task of defending the city of Chojnice, a major regional communications center, against the advancing German 20th Motorized Infantry Division in order to protect the southern flank of Army Pomorze.
Battle of Grudziądz was a military engagement between German and Polish forces during the early days of the Invasion of Poland in September 1939. It started on 1 September and ended with a German victory on 4 September. German historiography has dealt with the fighting in the larger context of the Battle of Tuchola Forest.
The Battle of Mikołów refers to the border engagement on September 1 and 2, 1939, that took place in the area of the town of Mikołów, located in the Silesian Voivodeship, during the early stages of the Invasion of Poland in the Second World War.
The 55th Infantry Division was a reserve unit of the Polish Army during the interbellum period, which took part in the Polish September Campaign. Commanded by Colonel Stanislaw Kalabinski, it was part of Operational Group Silesia of the Kraków Army.
The 27 Infantry Division, was a unit of the Polish Army in the inter-war period. It was created on 18 October 1920, as a result of reorganization of the Army, from units of the 2nd I.D., 3rd I.D., and 13th I.D. Its headquarters were located in Kowel, with units stationed in other Volhynian towns, such as Lutsk, Sarny and Wlodzimierz Wolynski. The Division's first commandant was General Gustaw Kuchinka.
Independent Operational Group Narew was one of the Polish Army Corps that defended Poland during the Invasion of Poland in 1939. It was created on 23 March 1939 and was commanded by general Czesław Młot-Fijałkowski.
The Polish 26th Infantry Division was a unit of the Polish Army. Originally formed as the 4th Infantry Division (Poland) in southern Poland in April 1919, the division was renamed the 26th Infantry Division in 1921. The division would see combat in World War II, being destroyed during the German invasion of Poland in September 1939.