No account has been recorded yet.
Natural disaster
818 Kōnin earthquake
- July 818 CE
- East Asia
Meanwhile, elsewhere
- 722 – 1492 CEReconquistaEurope
- 9th century – 10th century CEHungarian conquest of the Carpathian BasinEurope
- 629 – 1050s CEArab–Byzantine warsMiddle East
- 680 – 1355 CEByzantine–Bulgarian WarsEurope
- 8th century – 9th century CECarolingian Renaissance
- 8th century – 12th century CEChristianization of ScandinaviaEurope
- August 843 CETreaty of VerdunEurope
- 813 – 874 CEThe Occultation