# Synod of Whitby (664)

URL: https://christianity-history.com/timeline/664-synod-of-whitby
Location: Whitby, Northumbria
Themes: Council

Northumbria adopts Roman practices for dating Easter instead of Irish customs. At this point in the timeline (664), the Bishop of Rome was Pope Vitalian (30 July 657 – 27 January 672).

## Why it matters
Synod of Whitby mattered because its decisions defined doctrine, discipline or church order for generations of Christians.

Pope at the time: [Pope Vitalian](https://christianity-history.com/popes/pope-vitalian)

## Sources
- [Wikipedia — Synod of Whitby](https://en.wikipedia.org/wiki/Synod_of_Whitby)
- [Encyclopaedia Britannica topic lookup — Synod of Whitby](https://www.britannica.com/search?query=Synod+of+Whitby)
- [Wikipedia — Age Of Councils (period overview)](https://en.wikipedia.org/wiki/First_seven_ecumenical_councils)