When did the Church begin?
Question 09043
The question of when the church began is not a matter of historical curiosity but a question with significant theological consequences. The answer determines how we understand the church’s relationship to Israel, the nature of the church itself, and the way we read large sections of both the Old and New Testaments.
The Church Began at Pentecost
The church came into existence at Pentecost, as recorded in Acts 2. This is the position most consistent with the biblical evidence and with a dispensational understanding of God’s unfolding programme. Jesus Himself spoke of the church as something future during His earthly ministry. In Matthew 16:18, He declared, “I will build my church,” using the future tense. The church was not yet in existence when Jesus made that statement. It was something He was going to bring into being.
The formation of the church required certain things that were not yet accomplished during Jesus’ earthly ministry. The church is the body of Christ (1 Corinthians 12:12-13; Ephesians 1:22-23), and entrance into the body occurs through the baptism of the Holy Spirit: “For in one Spirit we were all baptised into one body” (1 Corinthians 12:13). This baptising work of the Spirit was promised by Jesus but had not yet occurred. In Acts 1:5, Jesus told His disciples, “You will be baptised with the Holy Spirit not many days from now.” The church could not exist before the Spirit’s baptising work began, and that work began at Pentecost.
The church also required the finished work of Christ. The cross, the resurrection, and the ascension are the foundations on which the church is built. Ephesians 2:13-16 describes how Jew and Gentile have been made one body through the cross. The new humanity that constitutes the church is a post-cross, post-resurrection, post-ascension reality. The church was made possible by Christ’s completed work and was brought into being by the Spirit’s descent at Pentecost.
Alternative Views and Why They Fall Short
Some covenant theologians locate the beginning of the church in the Old Testament, arguing that the church is the community of the faithful in every age. On this view, Abraham, Moses, and David were all members of the church, and the New Testament church is simply the continuation and expansion of the Old Testament people of God. This position has the advantage of emphasising the continuity of God’s redemptive purposes, but it achieves this at the cost of blurring the distinction between Israel and the church that the New Testament itself maintains.
Paul calls the church a “mystery” in Ephesians 3:4-6, meaning something “not made known to the sons of men in other generations as it has now been revealed to his holy apostles and prophets by the Spirit.” The specific content of the mystery is that Gentiles are fellow heirs with Jews, members of the same body. If the church had existed since Abraham, this would not be a mystery at all; it would have been the known reality for two thousand years. Paul’s language only makes sense if the church is genuinely new, a reality that was hidden in previous ages and has now been revealed.
Others have suggested the church began with John the Baptist, or at the calling of the twelve disciples, or at the cross, or at various other points during the gospel narratives. Each of these proposals has difficulties. John the Baptist was the last of the Old Testament prophets (Matthew 11:13), preparing the way for the King rather than inaugurating the church. The twelve were called and commissioned under the terms of Jesus’ earthly ministry to Israel (Matthew 10:5-6), not as the church in its New Testament form. The cross accomplished what the church would be built upon, but the church itself was not constituted until the Spirit came and performed the baptising work that creates the body of Christ.
Why Pentecost Fits the Evidence
Pentecost is the point at which all the necessary conditions converge. Christ’s work is finished. He has ascended to the Father’s right hand. The Spirit descends as promised. The baptising work of the Spirit begins, placing believers into the body of Christ. The apostles proclaim the gospel with a boldness and clarity that transforms their ministry. Three thousand people respond and are added to what Luke describes as a new community devoted to the apostles’ teaching, fellowship, the breaking of bread, and prayer (Acts 2:42). The church is born.
Peter’s sermon in Acts 2 is itself evidence of the church’s novelty. He explains what is happening by quoting Joel 2:28-32, describing the outpouring of the Spirit as the beginning of the fulfilment of that prophecy. He presents the risen and ascended Christ as Lord and Messiah. He calls for repentance and baptism. The response is immediate, and the community that forms around that response is the church in its inaugural expression. Everything before Pentecost was preparation. Pentecost is the beginning.
So, now what?
Understanding that the church began at Pentecost keeps the Bible’s storyline clear. God’s dealings with Israel in the Old Testament are genuinely distinct from His work in and through the church, even though the same gracious God is at work in both and salvation has always been by grace through faith. The church is not a replacement for Israel but a new work of God, brought into being at a specific moment in history through the Spirit’s descent. This protects the integrity of God’s unfulfilled promises to Israel, honours the uniqueness of the church as the body of Christ, and provides a framework for reading the whole of Scripture with the distinctions that the text itself invites us to make.
“And I tell you, you are Peter, and on this rock I will build my church, and the gates of hell shall not prevail against it.” Matthew 16:18