Church and state in medieval Europe was the relationship between the Catholic Church and the various monarchies and other states in Europe during the Middle Ages.
The traditional social stratification of the Occident in the 15th century
Antichristus, a woodcut by Lucas Cranach the Elder of the pope using the temporal power to grant authority to a generously contributing ruler
In the year before the First Council of Constantinople in 381, Nicene Christianity became the official religion of the Roman Empire when Theodosius I, emperor of the East, Gratian, emperor of the West
Church and state in medieval Europe
…of Nicaea in 325 whose Nicene Creed included belief in "one, holy, catholic, and apostolic Church". Emperor Theodosius I made Nicene Christianity the state church of the Roman Empire with the Edict of Thessalonica of 380. Pope Leo the Great defined the role of the state as being a defender of the church's cause and a suppressor of…
Monogramme of Christ (the Chi Rho) on a plaque of a sarcophagus, 4th-century AD, marble, Musei Vaticani, on display in a temporary exhibition at the Colosseum in Rome, Italy
Icon depicting Constantine and the bishops of the Council of Nicaea (325). The centrally placed and haloed Emperor holds the Creed of the First Council of Constantinople (381).
Missorium of Emperor Theodosius I, who declared Nicene Christianity to be the State religion of the Roman Empire. This piece was found in Almendralejo, Spain.
The Hagia Sophia basilica in Constantinople, for centuries the largest church building in the world.