Why was Charlemagne crowned by Leo III?

Pope Leo III crowned the Frankish king, Charlemagne, Emperor of the Romans on Christmas Day, 800 in St. Peter's Basilica in Rome, making him the most powerful ruler of his time. read more

Charlemagne placed Leo's attackers under arrest and sent an armed escort with the pope back to Rome. Coronation. In 800, Charlemagne traveled to Rome accompanied by the conspirators who attempted to kill Pope Leo III. Leo granted them a stay of execution and sentenced them to exile. A few days later, Leo crowned Charlemagne during Christmas mass. read more

Charlemagne is crowned emperor - December 25, 800. Pope Leo III crowned the Frankish king, Charlemagne, Emperor of the Romans on Christmas Day, 800 in St. Peter's Basilica in Rome, making him the most powerful ruler of his time. In November 799, Charlemagne (ca. 747 - 814) set out for Rome. read more