Crowning of Frederick Barbarossa

Date: June 18, 1155 • Location: London, United Kingdom

Pope Adrian IV crowns Frederick Barbarossa as Holy Roman Emperor.

Pope Adrian IV was head of the Catholic Church and ruler of the Papal States from 4 December 1154 until his death in 1159. He is the only pope to have been born in England and one of only two from an English-speaking country, alongside Pope Leo XIV who was elected 871 years later in 2025.