What is 1150s?

The 1150s is a decade in the 12th century that spans from 1150 to 1159. Here are some events that occurred during this decade:

• In 1152, Eleanor of Aquitaine married King Henry II of England, forming a powerful alliance between England and the Duchy of Aquitaine.
• In 1157, the Treaty of Benevento was signed between the Holy Roman Emperor Frederick I and the Papal States, ending a conflict between the two powers.
• In 1158, the University of Paris was founded, becoming one of the oldest and most prestigious universities in Europe.
• In 1159, Pope Adrian IV issued a papal bull granting King Henry II of England permission to invade Ireland, leading to the Norman Invasion of Ireland and centuries of English influence on the island.

This decade also saw ongoing conflicts and power struggles between different rulers and factions in Europe, including the Holy Roman Empire, the Normans in Sicily, the Kingdom of Castile, and the Byzantine Empire. The era was marked by social, cultural, and technological changes, including the rise of Gothic architecture and the development of new forms of intellectual inquiry in various fields.