Marriage of Otto II and Theophanu

Date: April 14, 972 • Location: Rome, Italy

Otto II, Co-Emperor of the Holy Roman Empire, marries Byzantine princess Theophanu. She is crowned empress by Pope John XIII in Rome the same day.

Otto II, called the Red, was Holy Roman Emperor from 973 until his death in 983. A member of the Ottonian dynasty, he was the youngest and sole surviving son of Otto the Great and Adelaide of Italy.