# Capetian-Plantagenet rivalries deepen (1077)

URL: https://history-france.com/timeline/1077-capetian-plantagenet-rivalries-deepen
Location: Northern and western France

Norman and Angevin possessions complicated the balance between French kings and their vassals. Within the broader West Francia & Early Capetians period, After the Treaty of Verdun, West Francia developed under Carolingian, Robertian and Capetian rulers. Viking settlement, feudal lordship, church reform and expanding royal authority reshaped the kingdom. At this point in the timeline, the relevant governing authority is Philip I (King of the Franks). Capetian-Plantagenet rivalries deepen is a useful marker in the longer transformation of political authority, society and culture in France. 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
Capetian-Plantagenet rivalries deepen is a useful marker in the longer transformation of political authority, society and culture in France.

Ruler at the time: [Philip I](https://history-france.com/rulers/philip-i)

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