12th century in the Holy Roman Empire

conflict between church and state in medieval Europe over the ability to appoint local church officials

rival political factions in medieval Italy

historical building in Cologne, western Germany

The Tollensians (, ) were a West Slavic tribe inhabiting the shores of the lower and middle Tollense (Dołęża) river, after which they were named. They were part of the Veleti/Lutician federation. During the civil war within the federation (1057-1060) the Dołężanie allied with the Redarians against the Kessini and the Circipani. Although the Redarian/Dołężan side was victorious, the devastation caused by the civil war led to the fall of the Lutician federation. In 1110, upon getting news of the defeat of the Holy Roman Emperor Henry V in the German-Polish War of 1109 the Dołężanie and the Redar

Castle in Germany