962 CE
Otto I was crowned Holy Roman Emperor by Pope John XII, reviving the imperial title in Western Europe and establishing the political framework of the Holy Roman Empire that would endure for over eight centuries.
Politics & Power
- Pope John XII crowned Otto I of East Francia as Holy Roman Emperor on February 2 in Rome, formalizing the union of the German kingdom with the imperial title and establishing a tradition of German kings seeking papal coronation as emperor.
- Otto's imperial coronation reflected his dominant position in Europe, secured through his decisive victory over the Magyars at the Battle of Lechfeld in 955, which had ended the Hungarian raids that had terrorized Central Europe for decades.
- The Ottonian alliance between the German monarchy and the papacy would prove to be both a source of strength and a recurring source of conflict in the centuries that followed.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 276 parts per million, as later confirmed by ice core analysis.
Population & Demographics
- World population is estimated to have been approximately 301 million.