List of state leaders in 791
Asia
Europe
Dalriada - Constantine , King of Dalriada (781 –820 )
East Anglia - Æthelbert , King of East Anglia (779 –794 )
Essex - Sigeric , King of Essex (758 –798 )
Mercia -
Offa , Bretwalda and King of Mercia (757 –796 )
Ecgfrith , King of Mercia (787 –796 )
Northumbria - Æthelred I , King of Northumbria (790 –796 )
Ireland - Donnchadh , High King of Ireland (766 –792 )
Picts - Constantine , King of the Picts (789 –820 )
Strathclyde - Rudderch , King of Strathclyde (780 –798 )
Wales - Caradog ap Meirion , King of Gwynedd (754 –798 )
Wessex - Beorhtric , King of Wessex (786 –802 )
Notes
Kent had been conquered by Offa during his reign over Mercia and, until his death, was a sub-state of Mercia. At his death each resumed its own dyansty.