Battle of Sejny
| Battle of Sejny | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Polish–Soviet War and Polish–Lithuanian War | |||||||
Map of the Battle of the Niemen River. Polish forces maneuvered through the Lithuanian front line (in pink) to the rear of Soviet troops | |||||||
| |||||||
| Belligerents | |||||||
| Poland | Lithuania | ||||||
| Commanders and leaders | |||||||
|
Edward Śmigły-Rydz Stefan Dąb-Biernacki | Kazys Ladiga | ||||||
| Units involved | |||||||
| 2nd Army | 11 battalions | ||||||
| Strength | |||||||
| 20,000–30,000 | 7,000–8,000 | ||||||
| Casualties and losses | |||||||
| Unknown |
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The Battle of Sejny (Polish: Bitwa o Sejny), Battle of Suwałki (Lithuanian: Suvalkų mūšis) or Sejny-Augustów operation (Lithuanian: Seinų-Augustavo operacija) took place during 2–23 September 1920, between the Polish and Lithuanian armies in the Suwałki Region. The fighting was especially focused on the towns of Sejny, Suwałki and Augustów (now in Poland).