1st Legions Infantry Division (Poland)
| 1st Legions Infantry Division | |
|---|---|
First commander of the division, Edward Rydz-Śmigły | |
| Active | 1919–1939 2023–present |
| Country | Poland |
| Branch | Land forces |
| Type | Infantry |
| Size | ca. 16,000 men |
| Garrison/HQ | Vilnius (1919–1939) Ciechanów (2022–present) |
| Nickname | Iron Division |
| Patron | Józef Piłsudski |
| March | March of the First Brigade |
| Engagements | Dyneburg, Kiev offensive, Battle of Warsaw, Invasion of Poland |
| Commanders | |
| Current commander | Brig. General Norbert Iwanowski |
| Notable commanders | Edward Rydz-Śmigły, Wincenty Kowalski |
| Insignia | |
| Unit abbreviation | 1 DPLeg |
| Parent Unit | Wyszków |
| Distinctive unit insignia (since 2025) | |
| Shoulder sleeve insignia (since 2025) | |
| Beret flash (since 2025) | |
The Polish 1st Legions Infantry Division (1. Dywizja Piechoty Legionów) is a tactical formation of the Polish Army. The division was formed on 20 February 1919 with veterans of the Polish Legions in World War I, whose traditions it carries. The division saw extensive combat during the Polish–Soviet War. Afterwards the division served with the Polish Army of the Second Polish Republic. In 1939, the division fought against Wehrmacht forces during the German Invasion of Poland.