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

Polish Army The Land Forces () are the land forces of the Polish Armed Forces. They currently contain some 62,000 active personnel and form many components of the European Union and NATO deployments around the world. Poland's recorded military history str ...

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

Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...

n town of

Tarnowskie Góry Tarnowskie Góry (German: ''Tarnowitz''; szl, Tarnowske Gōry) is a town in Silesia, southern Poland, located in the Silesian Highlands near Katowice. On the south it borders the Upper Silesian Metropolitan Union, a megalopolis, the greater S ...

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

: * in

Katowice Katowice ( , , ; szl, Katowicy; german: Kattowitz, yi, קאַטעוויץ, Kattevitz) is the capital city of the Silesian Voivodeship in southern Poland and the central city of the Upper Silesian metropolitan area. It is the 11th most populo ...

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

Chorzów Chorzów ( ; ; german: link=no, Königshütte ; szl, Chorzōw) is a city in the Silesia region of southern Poland, near Katowice. Chorzów is one of the central cities of the Upper Silesian Metropolitan Union – a metropolis with a population ...

Rybnik Rybnik (Polish pronunciation: ; szl, Rybńik) 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 miles) from the Czech border. It is o ...

and Wielkie Hajduki - 75th Infantry Regiment, * in

Żory Żory (; german: Sohrau, szl, Żory) is a town and city county in Silesian Voivodeship, Poland with 62,462 inhabitants (2019). Previously it was in Katowice Voivodeship (1975–1998). It is located in the historic Upper Silesia region about sou ...

and

Będzin Będzin (; also ''Bendzin'' in English; german: Bendzin; yi, בענדין, Bendin) 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). Even though p ...

- 23rd Light Artillery Regiment. In October 1938 the Division, under General

Jan Jagmin-Sadowski Jan Jagmin-Sadowski (24 April 1895 in Grójec – 5 October 1977 in Warsaw), was a general of the Polish Army, having served in World War I as a member of Józef Piłsudski's legions, as well as commanding Polish forces during the invasion of Po ...

, participated in the annexation of

Zaolzie Trans-Olza ( pl, Zaolzie, ; cs, Záolží, ''Záolší''; german: Olsa-Gebiet; Cieszyn Silesian: ''Zaolzi''), also known as Trans-Olza Silesia ( Polish: ''Śląsk Zaolziański''), is a territory in the Czech Republic, which was disputed betwe ...

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

Polish September Campaign The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week aft ...

. Commanded by Colonel Wladyslaw Powierza, it was part of

Operational Group {{Unreferenced, date=October 2008 Operational Group ( pl, Grupa Operacyjna, abbreviated GO) was the highest level of tactical division of the Polish Army before and during World War II and the invasion of Poland. It was corps-sized, although variou ...

"Silesia"/"Jagmin" of the Army Kraków, under General

Antoni Szylling Antoni Szylling (31 August 1884 – 17 June 1971) was a Polish general, considered, along with Generals Wiktor Thommée and Stanisław Maczek, to have been one of the most successful Polish Armed Forces commanders during the Invasion of Poland of ...

. On September 1 and 2, the unit defended the so-called

Fortified Area of Silesia The Fortified Area of Silesia ( pl, Obszar Warowny Śląsk) was a set of Polish fortifications, constructed along the interbellum border of Poland and Germany in the area of then-divided Upper Silesia. It spreads from the village of Przeczyce in ...

, then it was ordered to support the 55th I.D., which was fighting around

Wyry Wyry (german: Wyrow) is a village in Mikołów County, Silesian Voivodeship, in southern Poland. It is the seat of the gmina (administrative district) called Gmina Wyry. It lies approximately south of Mikołów and south-west of the regional ca ...

and Kobiór. 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 ( yi, בילגאריי, ''Bilgoray'', ua, Білґорай) 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 ...

. 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 th ...

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

See also

References

Further reading