Question: Whose defeat ended the anti-Polish campaign that began with the idea to unify all the German and possibly also Germanic-speaking peoples in a single nation-state known as "Großdeutschland".?
Sentence (from "Tanausu"): Tanausu (also Tanausú and Atanausu) (died 1493) was the Guanche ruler of Aceró, on the island of La Palma (known to the original population as Benahoare), whose defeat by the Castilians marked the final conquest of that island.
Relevant evidence: No