▁D ill ingen ▁ruled ▁from ▁the ▁ 1 0 th ▁to ▁the ▁ 1 3 th ▁century ; ▁in ▁ 1 2 5 8 ▁the ▁territory ▁was ▁turned ▁over ▁to ▁the ▁Prince ▁B ish ops ▁of ▁A ugs burg . ▁After ▁the ▁Re formation , ▁the ▁prince - b ish ops ▁of ▁A ugs burg ▁moved ▁to ▁the ▁Catholic ▁city ▁of ▁D ill ingen ▁and ▁made ▁it ▁one ▁of ▁the ▁cent ers ▁of ▁the ▁C ounter - Re formation . ▁ ▁In ▁ 1 8 0 0 , ▁during ▁the ▁War ▁of ▁the ▁Second ▁Co al ition , ▁the ▁arm ies ▁of ▁the ▁French ▁First ▁Republic , ▁under ▁command ▁of ▁Jean ▁Victor ▁More au , ▁fought ▁H abs burg ▁regular s ▁and ▁Wür ttemberg ▁cont ing ents , ▁under ▁the ▁general ▁command ▁of ▁P ál ▁K ray . ▁ ▁K ray ▁had ▁taken ▁refuge ▁in ▁the ▁for tr ess ▁at ▁Ul m ; ▁More au ▁di vert ed ▁his ▁army ▁to ▁approach ▁Ul m ▁from ▁the ▁east ▁and , ▁after ▁a ▁small ▁group ▁of ▁men ▁captured ▁a ▁fo oth old ▁on ▁the ▁northern ▁bank ▁of ▁the ▁Dan ube , ▁his ▁forces ▁were ▁able ▁to ▁move ▁against ▁the ▁for tr ess ▁on ▁both ▁sides ▁of ▁the ▁river . ▁ ▁At ▁this ▁ ▁battle , ▁the ▁cul min ation ▁of ▁the ▁Dan ube ▁Camp aign ▁of ▁ 1 8 0 0 , ▁More au ▁forced ▁K ray ▁to ▁abandon ▁Ul m ▁and ▁withdraw ▁into ▁eastern ▁Bav aria . ▁ ▁A ▁university ▁was ▁established ▁in ▁