レヒフェルトの戦い
After returning to Germany with his new wife, Otto cemented the existence of the Holy Roman Empire by defeating the Hungarian invaders at the Battle of Lechfeld on 10 August 955. In addition, he extended the boundaries of East Francia beyond the Elbe River, defeating the Obrodites and other Slavs of the Elbe at the battle of Recknitz (16 October 955).