855
| Years: 851 852 853 854 – 855 – 856 857 858 859 | |
| Decades: 820s 830s 840s – 850s – 860s 870s 880s | |
| Centuries: 8th century – 9th century – 10th century | |
Events
- Louis II succeeds Lothar as western emperor. Two other sons, Lothar II and Charles, also get parts of the kingdom.
- Succession of Pope Benedict III (855 – 858). Anastasius is made anti-pope by Lothair.
- Ethelwulf, king of Wessex and Bretwalda, abdicates in favor of his son Ethelbald.
- Ethelwulf grants the English churches the right to receive tithes.
- Edmund becomes king of East Anglia.
Births
Deaths
- March 2 – Lothar, western emperor (b. 795)
- Pope Leo IV
Categories: 855