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Pope Leo III crowned Charlemagne to be the Holy Roman Emperor. The Byzantine Empire was not happy because they didn't support Charlemagne's support of the Filioque. However, the Pope preferred Charlemagne to Irene of Athens.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.