List of state leaders in 684

683 state leaders - Events of 684 - 685 state leaders - State leaders by year

Africa

America

Asia

• China (Tang Dynasty) -
  1. Zhongzong, Emperor of Tang China (684)
  2. Ruizong, Emperor of Tang China (684–690)
• Japan (Asuka period) - Temmu, Emperor of Japan (672–686)
• Korea (Silla) - Sinmun, King of Silla (681–692)
• Turkic Khaganate - Kutluk Khan (682–684)

Europe

• Bulgaria - Asparukh of Bulgaria, Khan of Bulgaria (668–695)
• Byzantine Empire - Constantine IV (668–685)
• England (Heptarchy) -
  • Kingdom of East Anglia - Ealdwulf of East Anglia (664–713)
  • Kingdom of Essex - Sebbi of Essex (664–694)
  • Kingdom of Kent - Hlothhere of Kent (673–685)
  • Mercia - Aethelred, King of Mercia (675–704)
  • Northumbria - Ecgfrith, King of Northumbria (670–685)
  • Kingdom of Sussex - Aethelwalh (c.660-c.685)
  • Wessex - Centwine of Wessex, King of Wessex (676–685)
• Frankish Empire - Theuderic III, King of the Franks (679–691)
  • Austrasia - Theuderic III, King of Austrasia (679–691)
  • Neustria and Burgundy - Theuderic III, King of Neustria (675–691)
• Frisia - Radbod, King of the Frisians (678–719)
• Lombard Kingdom - Perctarit (671–688)
• Scotland
  • Dál Riata -
  • Kingdom of Strathclyde -
• Visigothic Kingdom - Erwig (680–687)
• Wales -
  • Kingdom of Gwynedd -
  • Kingdom of Powys