The Treaty of Verdun (843) and the…
August 843 CE
The Treaty of Verdun (843) and the Formation of West Francia
The Treaty of Verdun, signed in 843, formally divides the Carolingian Empire among the three surviving sons of Louis the Pious, marking the beginning of medieval Europe’s territorial and linguistic divisions.
Charles the Bald and the West Frankish Kingdom
Under the treaty, Charles the Bald, the half-brother of Lothair I and Louis the German, receives West Francia, encompassing the lands of the French-speaking peoples. His kingdom includes:
- Western Francia → The heartland of what will become France.
- Aquitaine → A semi-independent region with strong noble traditions.
- Gascony → A southwestern region known for its Basque influence and military resistance.
- Brittany → A land of Celtic autonomy, only nominally under Frankish rule.
- The Spanish Marches → The buffer zone against Muslim Al-Andalus, including Catalonia.
Significance of the Treaty
- The division reflects the cultural and linguistic split between the French-speaking West and the Germanic East.
- Charles inherits a fragmented kingdom, with regional lords in Aquitaine and Brittany asserting semi-independence.
- The treaty sets the stage for the eventual emergence of France, though West Francia remains politically unstable for centuries.
By awarding Charles the Bald control over the western portion of the empire, the Treaty of Verdun lays the foundation for the medieval French state, while simultaneously weakening Carolingian unity and accelerating the empire’s decline.