 In 1999, he celebrated his 25th anniversary in that office at the "Liborifest", a traditional Paderborn celebration in honor of St. Liborius of Le Mans.On 8 October 1991 Archbishop Degenhardt withdrew ecclesiastical teaching authorization from the priest and university teacher, Eugen Drewermann, after he refused to retract certain statements which were not in agreement with Catholic teachings.Among other things, Drewermann had questioned the virgin birth and the bodily resurrection of Jesus.