Re: Event of the Year
 

664

King Oswiu of Northumbria summoned the Synod of Whitby, at Saint Hilda's double monastery of Streonshalh (Streanoeshalch), later called Whitby Abbey

Re: Event of the Year
 

663

A brief outbreak of plague hits Britain.

Re: Event of the Year
 

662

The regent Grimuald usurps the kingship of the Lombards, driving Perctarit into exile and killing Godepert.

Re: Event of the Year
 

661

Perctarit and Godepert become co-rulers of the Lombards, following the death of their father Aripert.

Re: Event of the Year
 

660

Childeric II proclaimed king of Austrasia

Re: Event of the Year
 

659

Ealdormen in Mercia rebel against Northumbrian rule and proclaim Wulfhere king.

Re: Event of the Year
 

658

The union of Slavic tribes falls apart after King Samo's death

Re: Event of the Year
 

657

Tang Dynasty under Tang Gao Zong defeat Turks

Re: Event of the Year
 

656

Oswiu of Northumbria annexes Mercia

Re: Event of the Year
 

655

* November 15 - Northumbrian king Oswiu defeats Mercian king Penda in the Battle of Winwaed.
* Peada succeeds his father Penda as king of Mercia.
* Clovis II succeeded by Clotaire III.