While Christianity is definitely the religion most well-known worldwide and usually is known as a single religion, there are numerous denominations in Christianity and 3 serious groupings Catholicism, Orthodoxy, and Protestantism.
Roman Catholic:
The roman catholic church is the whole world’s biggest christian church with more than a billion members led through the pope.
The roman catholic doctrine maintains that the church is infallible when it definitively teaches a doctrine of faith or morals.
catholic beliefs concerning Mary comprise her Immaculate conception and bodily assumption at the end of her earthly life.
Eastern Orthodox Church:
The second largest Christian denomination on earth, Eastern Orthodox theology is strongly trinitarian. God exists inside the 3 individuals of Father, Son, and Holy Spirit. Humanity is thought to become made in God’s image, but is corrupted by sin. Death is conquered by the death and resurrection of Jesus Christ, and new life is given through the Holy Spirit.
Unlike the Roman Catholic Church, which regards the Holy Spirit as proceeding from the Father and therefore the Son, the Eastern Orthodox Church claims that the Holy Spirit proceeds through the Father through the Son. Only the primary seven ecumenical councils are recognised as authoritative. As in Roman Catholicism seven sacraments are recognised: baptism, confirmation, the Eucharist, penance, extreme unction, holy orders, and matrimony.
Protestantism:
a movement that began in Germany in the early 16th century as a reaction against medieval Roman Catholic doctrines and practices, especially in regards to salvation, justification, and ecclesiology
It shares with all other Christians core beliefs with the doctrines within the Trinity and therefore the divinity of Jesus, the necessity of grace to avert wasting human beings within the penalties of sin, and therefore the centrality of Jesus’ dying and resurrection for salvation
Led by Martin Luther, John Calvin, and some others, the reformers broke within the Roman Catholic Church owing to abusive ecclesiological constructions and theological variances.