Treaty of Saint-Clair-sur-Epte

Date: July 11, 911 • Location: Rome, Italy

Signing of the Treaty of Saint-Clair-sur-Epte between Charles the Simple and Rollo of Normandy.

911 (CMXI) was a common year starting on Tuesday of the Julian calendar.

This milestone marked a defining occurrence in Italy's and world history, leaving an indelible imprint on societal development, international relations, and cultural memory. Its enduring ramifications continue to be examined and commemorated by historians and scholars across the globe.