List of state leaders in 789

Africa

*Idrisids - Idris ibn Abdallah (788-791)
*Makuria - ?
*Nekor - Sa'id I ibn Idris King of Nekor (760-803)

America

*Calakmul - B'olon K'awil, (c.771-c.789)
*Copán - Yax-Pasaj Chan Yoaat, (763-aft.810)
*Tikal - Yax Nuun Ayiin II, (768-790)

Asia

*Bohai/Balhae - Da Qinmao/Dae Heung-mu, King of Bohai/Balhae (737-793)
*China (Tang Dynasty) - Dezong, Emperor of Tang China (780-805)
*Gurjara - Vatsaraja, Pratihara King of Gurjara (775-805)
*Japan (Nara Period) - Kammu, Emperor of Japan (781-806)
*Pallava - Thandi Varman, King of Pallava (775-825)
*Rashtrakuta - Dhruva, (780-793)
*Silla - Weonseong, King of Silla (785-798)
*Tibet - Mu-tig btsan-po, Emperor of Tibet (764-817)

Europe

*Asturias - Bermudo I, King of Asturias (788-791)
*Bulgaria - Kardam, Khan of the Bulgars (777-803)
*Byzantine Empire - Constantine VI, Roman Emperor (780-797)
*Cordoba - Hisham I, Emir of Cordoba (788-796)
*East Anglia - Æthelberht II, King of East Anglia (779-794)
*Essex - Sigeric, King of Essex (758-798)
*Franks - Charlemagne, King of the Franks (768-814)
**Italy - Pippin, King of Italy (781-810)
**Urgell - Borell, Count of Urgell (789-820)
*Gwynedd - Caradog ap Meirion, King of Gwynedd (c.754-c.798)
*Ireland - Donnchadh, High King of Ireland (766-792)
**Ailech - Aed Oirdnide mac Neill, King of Ailech (788-819)
**Connacht - Cinaed mac Artgal, King of Connacht (786-792)
**Hy-Many - Ailell mac Innreachtach, King of Hy-Many (786-794)
**Leinster - Bran Ardchenn mac Muiredach, King of Leinster (785-795)
**Mide - Donnchad Midi mac Domnaill, King of Mide (766-797)
**Ulaid - Eochaid, King of Ulaid (787-804)
*Kartli - Ashot I Kurapalate, Grand Duke of Kartli (786-809)
*Mercia -
**Offa, Bretwalda, King of Mercia (757-796) and Kent¹ (785-796)
**Ecfrith, King of Mercia (787-796)
**Sussex - Ealdwulf, King of Sussex (c.772-c.791)
*Northumbria - Osred II, King of Northumbria 788-790)
*Papal States - Adrian I, Pope of the Roman Catholic Church (772-795)
*Picts -
**Conall mac Tagd, King of the Picts (c785/7-789)
**Caustantín, King of the Picts (789-820)
*Saxons - Widukind, King of the Saxons (743-807)
*Strathclyde - Rudderch, King of Strathclyde (c.780-c.798)
*Venice - Giovanni Galbaio, Doge of Venice (787-804)
*Wessex - Beorhtric, King of Wessex (786-802)

Middle East

*Caliphate - Harun al-Rashid, Caliph in Baghdad (786-809)

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 dynasty