Protestantism, Christian religious movement that began in northern Europe in the early 16th century as a reaction to medieval Roman Catholic doctrines and practices. Along with Roman Catholicism and Eastern Orthodoxy, Protestantism became one of three major forces in Christianity.

The term Arian is derived from the name Arius and, like the term Christian, it was not what they called themselves, but rather a term used by outsiders. The ecumenical First Council of Nicaea of 325, convened by Emperor Constantine to ensure church unity, declared Arianism to be a heresy.

Nicene Creed, also called Niceno-Constantinopolitan Creed, a Christian statement of faith that is the only ecumenical creed because it is accepted as authoritative by the Roman Catholic, Eastern Orthodox, Anglican, and major Protestant churches. …

Apostles’ Creed, also called Apostolicum, a statement of faith used in the Roman Catholic, Anglican, and many Protestant churches. It is not officially recognized in the Eastern Orthodox churches. An example of such interrogations used in Rome about 200 has been preserved in the Apostolic Tradition of Hippolytus.

This tradition was also shown to be historically untenable by Lorenzo Valla. The Roman Church does not insist on the apostolic age of the text, the Roman catechism instead explains that “The Apostles’ Creed is so called because it is rightly considered to be a faithful summary of the apostles’ faith.”

Etymology. The Greek adjective katholikos, the origin of the term “catholic”, means “universal”. Exhorting Christians to remain closely united with their bishop, he wrote: “Wherever the bishop shall appear, there let the multitude [of the people] also be; even as, wherever Jesus Christ is, there is the Catholic Church. …

The Apostles’ Creed teaches about God, “We believe in God. The Father Almighty maker of heaven…show more content…

two hundred years