William I the Conqueror was the Duke of Normandy, and that's where the Vikings come from)))) The mystery is solved, haha
Later, he conquered England and became its king, but initially, he was that very Norman Viking
https://prnt.sc/vdtfwo
Vershinin A + Strelec = news about Strelec -> Viking pistol -> Vikings -> William, it's even simpler than I thought.