Complex sentence: When Bishop Svend I died in 1191 King Canute VI appointed Peder Vognsen of the powerful Hvide family bishop of Aarhus and he moved quickly to stamp out the memory and cult of Niels.
Split into simpler sentences: When Bishop Svend I died in 1191 King Canute VI appointed Peder Vognsen of the powerful Hvide family bishop of Aarhus. Vognsen moved quickly to stamp out the memory and cult of Niels.