The largest religion in the world, with about 2.4 billion followers.

The belief system centered on the life, teachings, and works of Jesus Christ.

The title was first used in Antioch to describe followers of Jesus.

The Jewish patriarch whose descendants were promised a Savior according to Christian belief.

The apostle recognized as the leader of the early Church, who spread Christianity in Rome.

The apostle known for his missionary journeys and letters that helped spread Christianity throughout the Roman Empire.

The Roman emperor who blamed Christians for the Great Fire of Rome in 64 CE.

The emperor who carried out one of the harshest persecutions of Christians in 303 CE.

The decree issued in 313 CE that granted freedom of religion and legalized Christianity in the Roman Empire.

The Roman emperor who saw a cross of light in the sky with the words “In hoc signo vinces” (“In this sign, you will conquer”).

The council convened in 325 CE, which helped establish unity and official recognition of Christianity in Rome.

The 1054 CE event that divided Christianity into the Roman Catholic Church and the Eastern Orthodox Church.

The Church leader (440–461 CE) who strengthened the papacy and organized the Church.

The greatest Catholic theologian and philosopher who wrote Summa Theologica and integrated faith with reason.

The cultural and intellectual movement from the 10th century onward that shaped philosophy, art, science, and education within Christianity.

The formal statement of Christian belief beginning with “I believe in God, the Father Almighty…”

This creed begins with “I believe in one God, the Father Almighty, maker of heaven and earth…”

The belief in one God in three persons: the Father, the Son, and the Holy Spirit.

The sacrament that uses water to cleanse sins and incorporate a person into the Christian community.

The sacrament that confirms baptism through the anointing with oil and strengthens the gifts of the Holy Spirit.

The sacrament that transforms bread and wine into the Body and Blood of Christ.

The sacrament in which sins are confessed to a priest for forgiveness.

The sacrament in which priests pray over and forgive the sins of the sick.

The sacrament in which a man and woman form a covenant with God to dedicate their lives to one another.

The sacrament that involves ordaining bishops, priests, or deacons.

The term describing the union between the faithful on earth, the souls in purgatory, and the saints in heaven.

The mother of Jesus, who was conceived without sin and assumed into heaven.

The collection of divinely inspired books recognized by the Church as the Word of God.

The Church’s living teaching authority is composed of bishops and priests.

The spirit or body of teachings passed down from the apostles that guides the Church.

The period of preparation for the coming of Jesus Christ that begins four Sundays before Christmas.

The Christian feast celebrating the birth of Jesus Christ.

The Christian feast celebrating God’s revelation in Jesus Christ, also known as the Feast of the Three Kings.

The holy day marking the beginning of Lent, when ashes are placed on the forehead as a sign of repentance.

The Christian celebration of Jesus Christ’s resurrection from the dead, marking the end of Lent.