Hatto
Hatto was a medieval German Archbishop and Antipope who lived in the 11th century. He was born around 985 AD in the Duchy of Swabia and rose through the ranks of the Catholic Church to become the Archbishop of Mainz in 1056.
In 1061, Hatto disputed the election of Pope Alexander II by the College of Cardinals. This led
Hatto's legitimacy as Antipope is disputed among historians. Some credit him with being a strong and capable
During his tenure as Archbishop of Mainz, Hatto implemented several reforms and promoted the construction of
Despite the controversy surrounding his role as an Antipope, Hatto remains a significant figure in the history