Thierhaupten received further estates from the Wittelsbach emperor Louis IV and was vassalized by the dukes of Bavaria-Landshut upon his death. Devastated by the troops of the Swabian League in the course of the 1504 Landshut War of Succession and again in the Schmalkaldic War of 1546/47, it was re-built and prospered, although it always remained a small community.
Thierhaupten experienced further land grants from the Wittelsbach emperor Louis IV and became obligated to the dukes of Bavaria-Landshut upon his death. It faced devastation during the 1504 Landshut War of Succession and again in the Schmalkaldic War of 1546/47, but was rebuilt and prospered as a small community.