Brigade II of the Polish Legions (Polish: II Brygada Legionów Polskich, Austrian German: Brigade II der Polnischen Legion, Hungarian: A Lengyel Légió II. Dandárja), also known as the Iron (Żelazna, Eisen, Vas) or Carpathian (Karpacka, Karpaten, Kárpát) Brigade, a unit of Austro-Hungarian Army, manned by Austrian Poles, part of the Polish Legions in World War I, that existed from 1914 or 1915 till 1918.