# Second Council of Lyon (1274)

URL: https://christianity-history.com/timeline/1274-second-council-of-lyon
Location: Lyon, France
Themes: Council

The council briefly reunites the Greek and Latin churches. At this point in the timeline (1274), the Bishop of Rome was Pope Gregory X (1 September 1271 – 10 January 1276).

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

Pope at the time: [Pope Gregory X](https://christianity-history.com/popes/pope-gregory-x)

## Sources
- [Wikipedia — Second Council of Lyon](https://en.wikipedia.org/wiki/Second_Council_of_Lyon)
- [Encyclopaedia Britannica topic lookup — Second Council of Lyon](https://www.britannica.com/search?query=Second+Council+of+Lyon)
- [Wikipedia — Medieval Church (period overview)](https://en.wikipedia.org/wiki/History_of_the_Catholic_Church#Middle_Ages)