Atlas of Battles

battle, interwar and Second World War

Battle of Olza

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

Date1921 (year precision)
PlaceOlza, Poland
49.954N, 18.339E
KindBattle, interwar and Second World War
Strength14th Wodzisław Infantry Regiment as part of “Group South”Freikorps & Selbstschutz units
Casualties and losses5135
Battle of OlzaBattle of OlzaBattle of RacibórzBattle of Raciborzem (1108)Battle of Żory (1945)Battle of Czajánek's barracksSiege of Hradec CastleBattle of RacibórzBattle of Czajánek's barracksSiege of Hradec CastleKatowiceWrocławGliwiceBrnoKielceZlínŽilinaBytom100 km49.954N, 18.339E
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

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.