Lublin Army was an improvised Polish Army created on September 4 1939 from 1 motorized brigade and various smaller units concentrated around cities of Lublin

Lublin

Lublin is the ninth largest city in Poland. It is the capital of Lublin Voivodeship with a population of 350,392 . Lublin is also the largest Polish city east of the Vistula river...

, Sandomierz

Sandomierz

Sandomierz is a city in south-eastern Poland with 25,714 inhabitants . Situated in the Świętokrzyskie Voivodeship , previously in Tarnobrzeg Voivodeship . It is the capital of Sandomierz County . Sandomierz is known for its Old Town, a major tourist attraction...

 and upper Vistula

Vistula

The Vistula is the longest and the most important river in Poland, at 1,047 km in length. The watershed area of the Vistula is , of which lies within Poland ....

 river. It was commanded by Maj. Gen. Tadeusz Piskor

Tadeusz Piskor

Tadeusz Piskor was a Polish Army general.Before World War I, he was a member of Polish pro-independence organizations. During World War I he served in the Polish Legions, and subsequently fought in the 1919–21 Polish-Soviet War....

.

Tasks

It was tasked with defending the crossings through Vistula

Vistula

The Vistula is the longest and the most important river in Poland, at 1,047 km in length. The watershed area of the Vistula is , of which lies within Poland ....

 river from Modlin

Modlin Fortress

Modlin Fortress is one of the biggest 19th century fortresses in Poland. It is located the town of Nowy Dwór Mazowiecki in district Modlin on the Narew river, some 50 kilometres north of Warsaw...

 (near Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

) to Sandomierz

Sandomierz

Sandomierz is a city in south-eastern Poland with 25,714 inhabitants . Situated in the Świętokrzyskie Voivodeship , previously in Tarnobrzeg Voivodeship . It is the capital of Sandomierz County . Sandomierz is known for its Old Town, a major tourist attraction...

.

Operational history

After having been forced to retreat from Warsaw, it was defeated together with Kraków Army

Kraków Army

Kraków Army was one of the Polish armies to take part in the Polish Defensive War of 1939. It was officially created on March 23, 1939 as the main pivot of Polish defence. It was commanded by Gen...

 during the first battle of Tomaszów Lubelski

Battle of Tomaszów Lubelski

Battle of Tomaszów Lubelski took place from 17 September to 26 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 destruction of the Polish forces...

 (September 17-20).

Organization

The Army was commanded by general Tadeusz Piskor

Tadeusz Piskor

Tadeusz Piskor was a Polish Army general.Before World War I, he was a member of Polish pro-independence organizations. During World War I he served in the Polish Legions, and subsequently fought in the 1919–21 Polish-Soviet War....

; his chieff of staff was colonel Jan Zawisza.
Units:

• Warsaw Armoured Motorized Brigade
  Warsaw Armoured Motorized Brigade
  The Warsaw Armoured Motorized Brigade was a motorized unit of the Polish Army during the interbellum period. The brigade was one of two such units in Poland...
  
   (Warszawska
  Warsaw
  Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...
  
   Brygada Pancerno-Motorowa)
• Polish 39th Infantry Division
  Polish 39th Infantry Division
  The Polish 39th Infantry Division was a reserve unit of the Polish Army, which took part in the Polish September Campaign. Commanded by General Brunon Olbrycht, it was part of the Prusy Army and was concentrated in the area of the Holy Cross Mountains....
  
  
• Smaller units (Combined Cavalry Brigade; Sandomierz Operational Group; part of 2nd Regiment of Heavy Artillery)