Prof. Dr. Jörg Bölling (Hildesheim) will speak on 16 March at the German Embassy to the Holy See in conjunction with the Hanns Seidel Foundation on the topic "Imperial and Episcopal Power 1000 Years Ago: Rethinking the Policies of Otoo the Great. Henry II, Ulrich of Augsburg and Godehard of Hildesheim". This is an event with invited guests. Bölling has already given several lectures at the RIGG (for ex. at the conference about the liturgical reform).