Constantine the Great embraced Christianity, becoming its first imperial champion. His pivotal victory at the Battle of the Milvian Bridge in 312 AD led to the Edict of Milan, legalizing Christianity across the empire. Founder of Constantinople, Constantine's reign reshaped history, blending Roman might with Christian destiny. So remember Protestants who say Constantine founded the Catholic Church do not have a clue that there were already 30 popes before Constantine became emperor in 306 AD. Th