# Battle of Tertry (687)

URL: https://history-france.com/timeline/687-battle-of-tertry
Location: Picardy
Categories: battle

Pepin of Herstal defeated Neustrian rivals and made the Austrasian mayors dominant. Within the broader Frankish Kingdoms period, Merovingian and Carolingian rulers built large Frankish realms over former Roman Gaul. Conversion, aristocratic power, church institutions and imperial expansion laid foundations for medieval France. At this point in the timeline, the relevant governing authority is Later Merovingian kings (Kings of the Franks). Battle of Tertry mattered because it changed the military or territorial balance and influenced the political choices that followed. The event is positioned here so visitors can read it alongside changes in government, warfare, society, religion, culture and France’s wider international setting.

## Why it matters
Battle of Tertry mattered because it changed the military or territorial balance and influenced the political choices that followed.

Ruler at the time: [Later Merovingian kings](https://history-france.com/rulers/later-merovingian-kings)

## Sources
- [Wikipedia topic lookup — Battle of Tertry](https://en.wikipedia.org/wiki/Special:Search?search=Battle+of+Tertry&go=Go)
- [Encyclopaedia Britannica topic lookup — Battle of Tertry](https://www.britannica.com/search?query=Battle+of+Tertry)
- [Wikipedia — Timeline of French history](https://en.wikipedia.org/wiki/Timeline_of_French_history)