Henry the Lion, Duke (Stem Duchy of Saxony) : All Data

Henry the Lion was a powerful Duke who ruled over the Stem Duchy of Saxony from 1145 to 1181. During his reign, he faced several significant conflicts, including the Wendish Crusade from 1147 to 1149, where he played a crucial role in the Christian conquest of the Wends in the Baltic region. Another notable war was the Battle of Lechfeld in 1152, where Henry the Lion fought alongside Emperor Frederick Barbarossa against the Hungarian forces. These wars align with the calculated timespan of Henry the Lion's rule, showcasing his military prowess and influence in the region.