Title: Konflikt polsko-litewski o ziemię sejneńsko-suwalską w latach 1918-1920
Subjects: Boundaries, Military History, Monuments, History, Wars, Foreign relations, Russo-Polish War, 1919-1920
Places: Suwałki Region (Poland), Sejny Region (Poland), Poland, Lithuania, 1919-1920 Russo-Polish War
Time periods: 20th century