Otto I the Great, King of East Francia at the Battle of Lechfeld, 10 August 955, it was a decisive victory for him over the Hungarians, Germany, Otto I, 912, 973, traditionally known as Otto I the Great, Otto I the Great, was German King from 936 and Emperor of the Holy Roman Empire, Reproduction of a picture, woodcut from 1881, digitally restored, Historical, Otto I the Great, King of East Francia at the Battle of Lechfeld, 10 August 955, it was a decisive vic, Europe