Charlemagne was in power in 800.
Charlemagne -LRB- -LSB- ˈʃɑːrlᵻmeɪn -RSB- -RRB- or Charles the Great -LRB- 2 April 742/747/74828 January 814 -RRB- , numbered Charles I , was the King of the Franks from 768 , King of the Lombards from 774 and Emperor of the Romans from 800.
