List of state leaders in 790

789 state leaders – Events of 790 – 791 state leaders – State leaders by year

Africa

• Idrisids - Idris ibn Abdallah (788–791)
• Makuria - Mikael, King of Makuria (c.790)
• Nekor - Sa'id I ibn Idris King of Nekor (760–803)

America

• Copán - Yax-Pasaj Chan Yoaat, (763-aft.810)
• Tikal - Yax Nuun Ayiin II, (768–790)

Asia

• 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)
• Korea (North South States Period)
  • Balhae - Mun, King of Balhae (737–793)
  • Silla - Wonseong, King of Silla (785–798)
• Pallava - Thandi Varman, King of Pallava (775–825)
• Rashtrakuta - Dhruva, (780–793)
• Tibet - Mu-tig btsan-po, Emperor of Tibet (764–817)

Europe

• Bulgaria - Kardam, Khan of Bulgaria (777–803)
• Byzantine Empire - Constantine VI, Roman Emperor (780–797)
• Caucasus
  • Principality of Kakheti - Grigol, Prince of Kakheti (786–827)
• England (Heptarchy) -
  • Kingdom of East Anglia - Æthelberht II (779–794)
  • Kingdom of Essex - Sigeric (758–798)
  • Kingdom of Kent - Under control of Offa of Mercia
  • Mercia -
  • Offa, King of Mercia (757–796)
  • Ecfrith, King of Mercia (787–796)
  • Northumbria -
    1. Osred II, King of Northumbria (788–790)
    2. Æthelred I, King of Northumbria (790–796)
  • Kingdom of Sussex - Ealdwulf (c.772-c.791)
  • Wessex - Beorhtric, King of Wessex (786–802)
• Frankish Empire - Charlemagne, King of the Franks (768–814)
• Ireland - Donnchad Midi, High King of Ireland (778–797)
  • Ailech - Aed Oirdnide mac Neill, King of Ailech (788–819)
  • Connacht - Cináed mac Artgail, King of Connacht (786–792)
  • Uí Maine - Ailell mac Innreachtach, King of Uí Maine (786–794)
  • Leinster - Bran Ardchenn, King of Leinster (785–795)
  • Kingdom of Mide - Donnchad Midi mac Domnaill (766–797)
  • Ulaid -
    1. Tommaltach mac Indrechtaig, King of Ulaid (789–790)
    2. Eochaid mac Fiachnai, King of Ulaid (790–810)
• Italy - Pippin, King of Italy (781–810)
  • Principality of Benevento - Grimoald III (787–806)
  • Papal States - Pope Adrian I (772–795)
  • Venice - Giovanni Galbaio, Doge of Venice (787–804)
• Saxons - Widukind, King of the Saxons (743–807)
• Kartli - Ashot I Kurapalate, Grand Duke of Kartli (786–809)
• Scotland
  • Dál Riata - Donncoirce, King of Dalriada (781–792)
  • Kingdom of Strathclyde - Riderch II (c.780-c.798)
  • Picts - Caustantin, King of the Picts (787–820)
• Spain -
  • Kingdom of Asturias - Bermudo I (788–791)
  • Caliphate of Córdoba - Hisham I (788–796)
• Wales -
  • Kingdom of Gwynedd - Caradog ap Meirion (c.754-c.798)
  • Kingdom of Powys - Cadell ap Elisedd (773–808)

Middle East

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

Notes

1. 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.