 The Hungarian march was founded by Henry III following his first campaign against Hungary in 1041.In 1043, the Hungarian king Samuel Aba was forced to sign a peace treaty whereby he gave up the land between the Leitha and Fischa rivers with a line from the Fischa delta to Strachotín in Moravia representing the new border.Henry created a new march in this territory for the eldest son of the Babenberg Margrave Adalbert of Austria.