Introduction to Christianity

A Worldwide Tradition

For the past two thousand years, Christian traditions that trace their teachings back to the life of Jesus have expanded and spread. Contemporary Christianity consists of three major branches (the Catholic Church, Orthodox Christian churches, and...
A Worldwide Tradition

Life and Teachings of Jesus

The Christian Bible’s New Testament includes the Gospels, four different chronicles of the life of Jesus. These books are foundational for Christian belief and practice, sharing the story of Jesus' birth, baptism, and revolutionary teachings, as well as...
Life and Teachings of Jesus

Death and Resurrection of Jesus

According to the Gospels, Jesus was executed by crucifixion at the hands of Roman authorities, and resurrected three days later. For Christians, this event affirms the divinity of Jesus and stands as a sign of God’s continuing presence and power in the...
Death and Resurrection of Jesus

Birth of the Church

After Jesus’ resurrection, his followers traveled to spread his teachings. One prominent leader in the early church, The apostle Paul, made the radical shift to evangelize the Gentiles (non-Jews), which advanced the global spread of Christianity as more...
Birth of the Church

Credo: “I Believe. . .”

Statements of belief unite Christians in their articulation of shared commitments. While the Apostles’ Creed and the Nicene Creed are two of the oldest and most universal creeds of the church, the process of articulating what it means to give one’s heart...
Credo: "I Believe..."

Orthodox Christian Churches

The Eastern and Oriental Orthodox churches are rooted in Greece, the Middle East, North Africa, and India. These churches are theologically and liturgically distinct from those in the Roman Catholic and Protestant traditions, and have weathered centuries...
Orthodox Christian Churches

The Roman Catholic Church and the Catholic Communion

The Church of Rome traces its roots to the apostles Peter and Paul, whose lineage continues through the papacy. Despite the Church of Rome’s separation from the Orthodox churches in 1054, and then with Protestant reformers in 1521, Catholics account for...
The Roman Catholic Church

The Protestant Movement

Martin Luther was a 16th century German monk who grew disillusioned with the authority of the Roman Catholic Church and insisted that salvation was entirely a gift of God’s grace. He began a process of Christian reform that eventually moved beyond...
The Protestant Movement

Mission to the World

For all of Christian history, missionaries have traveled across the world with the goal of extending the church to new peoples and lands. Following the routes of empire and trade, unique Christian traditions arose across the globe. Some served the...
Mission to the World

The Modern Era

Since the 17th century, new disagreements among Christians have emerged over how to interpret the Bible, relate religious faith to scientific discoveries, and incorporate broader social changes into church structure. The Second Vatican Council in the...
The Modern Era