The Roman Catholic Church is the world's largest Christian church.(1) One sixth of the world's population are Roman Catholics. The main beliefs are that Jesus Christ came to earth and lived a perfect life and then suffered and died for our sins. There is a large emphesis on the Virgin Mary who gave birth to Jesus. The main mission of the church is to spread Jesus' message which is found n the for Gospels. (1) The pope is the head of the church. The first pope was Peter. It says in the Bible "... you are Peter, and upon this rock I will build my church, and the gates of the netherworld shall not prevail against it. I will give you the keys to the kingdom of heaven. Whatever you bind on earth shall be bound in heaven; whatever you loose on earth shall be loosed in heaven". Roman Catholics have Mass every week and at Mass they have sacrament ( Wine, which is the blood, and bread, which is the body of Jesus Christ.) (1) To become a member of the Catholic church, one must baptized and go through confirmation.