 Bavaria-Landshut was then the richest part of Bavaria, also due to the mining in Rattenberg and Kitzbühel and the most modern administration.The seat of the dukes was the Trausnitz Castle in Landshut until 1475, when they moved to the second residence at Burghausen Castle.The duchy lasted overall 150 years until the death of Georg the Rich triggered the Landshut War of Succession.