https://en.wikipedia.org/wiki/Wendish_Crusade
Wendish Crusade - Wikipedia
wendish crusadewikipedia
https://www.ancient-origins.net/articles/wendish-crusade
The Wendish Crusade: Holy War or Political Ambition in the Baltic Frontier? | Ancient Origins
For centuries, the Polabian Slavs lived in their ancestral homeland around the Elbe River, in what is today Germany. Following their age-old traditional...