Mapping the Spread of the Early Church
The Church solidified the importance of apostolic doctrine, holding tightly to the teachings passed down from Jesus to the apostles like Peter, John, and Paul. Letters and gospels about Jesus’ life became more popular and shared across the churches, added to the original canon of the Septuagint (Greek Old Testament), as useful for instructing believers in discipleship.
During this time, local leadership also became more structured. Elders and overseers took on more defined roles and responsibilities. These helped maintain discipleship, protect the Church from false doctrine, and continue to spread the gospel as the original apostles were martyred or died.
By AD 100, the Church had spread throughout the Roman world, even to the city of Rome itself. Persecution also continued, but the Church stood as a faithful and organized movement, ready to take the gospel into the second century.
As the apostles died out, leadership shifted to a group of men called the Apostolic Fathers. These men had known and been discipled by the original apostles (Peter, John, Paul, Barnabas, etc.), therefore they were in a prime position to maintain and express apostolic doctrine while the Church exploded throughout Rome and beyond, into various cultures and nations. Men like Ignatius of Antioch, Polycarp, and Clement of Rome provided more instruction and care to these growing Christian communities.
Like the apostles who discipled them, these men wrote letters and even longer writings. They leveraged Greek language and philosophy to defend and spread apostolic doctrine. Ignatius stressed the importance of church unity under leaders of integrity; Polycarp lived a life of faith even to his own martyrdom. Their writings affirmed and even canonized the earlier letters and gospels. A New Testament took shape early in the 2nd century, a canon of apostolic writings along with the Old Testament.
The church spread into North Africa, Southwest Asia, and parts of Europe, even as far as Britain. The Roman roads and organization allowed for such travel, and despite continued persecution, the Church grew. Christianity also started influencing Roman culture through their compassion and consistency, especially as more Gentiles converted to the gospel.
Early on, the Christian leaders and members were Jewish. The second century saw a major shift. Now, most Christians were non-Jews, men and women from all nations.
With Christian expansion and growth, false teachings and other philosophies challenged the early church. Many of the Apostolic Fathers wrote letters addressing these false teachings. Further, it emphasized the importance of defining which first century writings were core for the faith. Many false writings appeared, needing to be rejected for one reason or another. What we call the New Testament had been largely solidified by the end of the 2nd century.
With a new canon and doctrine clarified, the Church was ready to continue to grow in numbers and spread to other nations, as it continues to do today.
Believers today stand as part of the same Spirit-led movement Jesus began in the first century. He didn’t put a time limit on the mission. He uttered a continuing call to make disciples of all nations, teaching them to follow him and be witnesses of his Kingdom. That mission now belongs to us.
We have a direct connection with the early church because we follow the same Savior. He still lives, and the same Spirit lives within us. We’ve been saved and live by the same Good News. The message hasn’t changed. Jesus still calls people to repent, believe, and enter his Kingdom. God continues to transform lives, healing broken hearts, and gathering people as a family to himself. Reading Scripture, we don’t just study something that happened thousands of years ago. The same truth that shaped those men and women shapes us.
As we learn from Jesus through the Spirit, we obey his teaching and express his character to the world. We serve and love others, which includes declaring the gospel to them, as well. We teach others, invest in them, and build discipleship families centered on Christ. Just as Jesus and the early church did.
We also still require the Holy Spirit to empower us to fulfill this divine mission, just as they did. We can’t rely upon our own strength or abilities to accomplish salvation for ourselves or anyone else. As we hear stories of missionaries today, God continues to work through ordinary people to do his extraordinary work. Across cultures, races, languages, and nations, the church moves forward.
This gives us purpose and confidence. We don’t invent a new path but walk in the same calling, message, and Spirit. Together, we walk in Jesus’ mission until he returns.
Peace.
Photo credit: ©Getty Images/Johnathan Kana
