battle, interwar and Second World War

Battle of Olza

Name: Battle of Olza
Location: Olza, Poland

Battle of Olza was a battle fought in 1921 at Olza, in what is now Poland. Its exact site is not recorded; the atlas places it at Olza. It was part of Third Silesian Uprising. The recorded result: Polish Pyrrhic victory. Recorded strength: 14th Wodzisław Infantry Regiment as part of “Group South” against Freikorps & Selbstschutz units.

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Fought1921

WhereOlza, Poland49.954N, 18.339E, placed at the location, approximate

OutcomePolish Pyrrhic victory

BelligerentsSecond Polish RepublicagainstSelbstschutz Oberschlesiens and Freikorps

Casualties and losses51and35

Part ofThird Silesian Uprising1921

Record

Date	1921 (year precision)
Place	Olza, Poland 49.954N, 18.339E
Kind	Battle, interwar and Second World War
Strength	14th Wodzisław Infantry Regiment as part of “Group South”	Freikorps & Selbstschutz units
Casualties and losses	51	35

Placed at Olza; the exact site is not recorded. with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Battle of Racibórz 1241, 17 km NW
Battle of Raciborzem (1108) 1108, 18 km NW
Battle of Żory (1945) 1945, 27 km E
Battle of Czajánek's barracks 1939, 31 km S
Siege of Hradec Castle 1060, 34 km W

Elsewhere in 1921

Battle of Olza is one of 4,429 engagements of the 20th century in the atlas and one of 502 in present-day Poland.

Sources

Identity, coordinates, dates and the war from Wikidata Q86662120, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Olza, revision 1370452175, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.