- 31 October - Irene deposed as Emperoress of Byzantium and replaced by Nicephorus I. She is banished to Lesbos.
- Jayavarman II declares the Khmer independent and establishes the kingdom of Angkor.
- Beginning of a "period of confusion" without a clear king in Bulgaria.
- Egbert becomes king of Wessex.
- Vikings sack Iona.
- Æthelmund, Earl of Hwicce (fallen in battle).