The 23rd Upper Silesian Infantry Division (Polish: 23. Gornoslaska Dywizja Piechoty) was a unit of the

Polish Army The Land Forces () are the Army, land forces of the Polish Armed Forces. They currently contain some 110,000 active personnel and form many components of the European Union and NATO deployments around the world. Poland's recorded military histor ...

in the interwar period (1921-1939). Created in 1921, its headquarters were stationed in

Upper Silesia Upper Silesia ( ; ; ; ; Silesian German: ; ) is the southeastern part of the historical and geographical region of Silesia, located today mostly in Poland, with small parts in the Czech Republic. The area is predominantly known for its heav ...

n town of

Tarnowskie Góry Tarnowskie Góry (; ; ) is a city in Silesia, southern Poland, located in the Silesian Highlands near Katowice and seat city of Tarnowskie Góry County Located in the north of the Metropolis GZM, a megalopolis (city type), megalopolis, the great ...

. Also, some other units were located in garrisons across the Polish part of

: * in

Katowice Katowice (, ) is the capital city of the Silesian Voivodeship in southern Poland and the central city of the Katowice urban area. As of 2021, Katowice has an official population of 286,960, and a resident population estimate of around 315,000. K ...

- 73rd Infantry Regiment, * in Tarnowskie Gory - 11th Infantry Regiment, * in

Chorzów Chorzów ( ; ; ) is a city in the Silesia region of southern Poland, near Katowice. Chorzów is one of the central cities of the Metropolis GZM – a metropolis with a population of 2 million. It is located in the Silesian Highlands, on the Rawa ...

Rybnik Rybnik (Polish pronunciation: ; ) is a city in southern Poland, in the Silesian Voivodeship, around 38 km (24 mi) southwest of Katowice, the region's capital, and around 19 km (11 mi) from the Czech Republic, Czech border. It i ...

and Wielkie Hajduki - 75th Infantry Regiment, * in

Żory Żory (; , , ) is a town and city powiat, county in the Silesian Voivodeship, located in southern Poland with 62,848 inhabitants (2021). It is located in the historic Upper Silesia region about southwest of Katowice. Location Żory is located in ...

and

Będzin Będzin (; also seen spelled ''Bendzin''; ) is a city in the Dąbrowa Basin, in southern Poland. It lies in the Silesian Highlands, on the Czarna Przemsza River (a tributary of the Vistula River, Vistula). Even though part of Silesian Voivodeship ...

- 23rd Light Artillery Regiment. In October 1938 the Division, under General Jan Jagmin-Sadowski, participated in the annexation of

Trans-Olza Trans-Olza (, ; , ''Záolší''; ), also known as Trans-Olza Silesia (), is a territory in the Czech Republic which was disputed between Poland and Czechoslovakia during the Interwar Period. Its name comes from the Olza River. The history of ...

. A year later, in September 1939, it took part in the

Polish September Campaign The invasion of Poland, also known as the September Campaign, Polish Campaign, and Polish Defensive War of 1939 (1 September – 6 October 1939), was a joint attack on the Republic of Poland by Nazi Germany, the Slovak Republic, and the Soviet ...

. Commanded by Colonel Wladyslaw Powierza, it was part of

Operational Group Operational Group (, GO) 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. Polish-Bolshevik War (1919-1921) Operational groups first appeared in the Polis ...

"Silesia"/"Jagmin" of the Army Kraków, under General Antoni Szylling. On September 1 and 2, the unit defended the so-called Fortified Area of Silesia, then it was ordered to support the 55th I.D., which was fighting around Wyry and

Kobiór Kobiór () is a village in Pszczyna County, Silesian Voivodeship, in southern Poland. It is the seat of the gmina (administrative district) called Gmina Kobiór. It lies approximately north of Pszczyna and south of the regional capital Katowice ...

. After several skirmishes with German 28th I.D., the Poles withdrew towards the

Nida River The Nida is a river in central Poland, a left tributary of the Vistula river, into which it flows near Nowy Korczyn). The Nida has a length of 154 kilometres and a basin area of 3,844 km2.Biłgoraj Biłgoraj (, ''Bilgoray'', ) is a town in south-eastern Poland with 25,838 inhabitants as of December 2021. Since 1999 it has been situated in Lublin Voivodeship; it was previously located in Zamość Voivodeship (1975–1998). It is located sou ...

. On September 19, the Division joined units attacking

Tomaszów Lubelski Tomaszów Lubelski is a town in south-eastern Poland with 19,365 inhabitants (2017). Situated in the Lublin Voivodeship, near Roztocze National Park, it is the capital of Tomaszów Lubelski County. History The town was founded at the end of the ...

, but these efforts were fruitless. It fought until the capitulation of Army Kraków, September 20.

See also

References

Further reading