What happened at Pentecost?
Question 04031
Pentecost is one of the most significant events in the entire Bible, and yet it is often reduced to a story about strange languages and tongues of fire. What actually happened in that upper room in Jerusalem, and in the streets that followed, was nothing less than the birth of the New Testament church and the inauguration of a new era in God’s dealings with humanity. Without Pentecost, there is no church, no indwelling Spirit, and no New Covenant experience as we know it. To understand Pentecost properly is to understand the hinge on which the whole of redemptive history turns from promise to fulfilment.
The Background: A Jewish Feast
Pentecost was not a Christian invention. It was a Jewish agricultural festival, the Feast of Weeks (Shavuot), celebrated fifty days after Passover. Leviticus 23:15–21 prescribed it as a harvest festival, a time of thanksgiving for the firstfruits of the wheat harvest. By the first century, Jewish tradition had also come to associate Pentecost with the giving of the Law at Sinai, though this connection is debated among scholars. The timing was providential. Jerusalem was filled with devout Jews ‘from every nation under heaven’ (Acts 2:5) who had come for the festival. God chose this moment, this crowd, and this feast of firstfruits to pour out His Spirit and gather the firstfruits of the New Covenant harvest.
What Happened
Acts 2:1–4 describes the event with remarkable economy. The disciples were gathered together in one place. Suddenly, a sound like a mighty rushing wind filled the entire house. Divided tongues as of fire appeared and rested on each of them. They were all filled with the Holy Spirit and began to speak in other tongues as the Spirit gave them utterance. The phenomena were real and observable: the sound was heard, the tongues of fire were seen, and the languages were intelligible to the international crowd gathered outside. These were not ecstatic utterances; they were recognisable human languages. Acts 2:6–11 makes this explicit, as the crowd heard the disciples declaring the mighty works of God in their own native languages, from Parthia to Rome, from Crete to Arabia.
The wind recalled the breath of God in creation (Genesis 2:7) and the breath that gave life to the dry bones of Ezekiel’s vision (Ezekiel 37:9–10). The fire recalled God’s presence at the burning bush, on Sinai, and in the pillar of fire that led Israel through the wilderness. The languages reversed the judgement of Babel, where God confused human speech to scatter a rebellious humanity (Genesis 11:1–9). At Pentecost, God reunited human speech to gather a redeemed humanity. Every detail carried theological weight.
Peter’s Explanation
When the crowd responded with bewilderment, some mocking the disciples as drunk, Peter stood and preached. His sermon in Acts 2:14–36 is the interpretive key to Pentecost. He began by quoting Joel 2:28–32, identifying what was happening as the fulfilment of Joel’s prophecy that God would pour out His Spirit on all flesh. He then proclaimed Jesus of Nazareth, attested by God through mighty works, delivered up according to the definite plan and foreknowledge of God, crucified by lawless men, and raised from the dead because it was not possible for death to hold Him (Acts 2:23–24). Peter argued from Psalm 16 that the resurrection was prophesied and from Psalm 110 that Christ’s exaltation to the right hand of God was the source of the outpouring they were witnessing. His conclusion was devastating in its clarity: ‘Let all the house of Israel therefore know for certain that God has made him both Lord and Christ, this Jesus whom you crucified’ (Acts 2:36).
The response was immediate. The crowd was cut to the heart and asked what they should do. Peter called them to repentance and baptism in the name of Jesus Christ for the forgiveness of sins, promising they would receive the gift of the Holy Spirit. About three thousand were added that day (Acts 2:41). The church was born.
What Pentecost Accomplished
Pentecost was not an isolated spiritual event. It was the inauguration of the Church age, the beginning of the dispensation of grace in which we still live. The Spirit who had come upon individuals selectively in the Old Testament now indwelt every believer permanently. The body of Christ came into existence as Jews and, in time, Gentiles were baptised by the Spirit into one body (1 Corinthians 12:13). The promise of the New Covenant, anticipated in Jeremiah 31 and Ezekiel 36, began its fulfilment. The disciples, who had spent three years with Jesus and still fled at His arrest, were now empowered with boldness that would carry them to the ends of the earth and, for most of them, to martyrdom.
It is worth noting, however, that the full scope of Joel’s prophecy was not exhausted at Pentecost. Joel spoke of the Spirit being poured out on ‘all flesh,’ of signs in the heavens and on the earth, of the great and awesome day of the Lord. Pentecost inaugurated the fulfilment; it did not complete it. The final and complete outpouring of the Spirit upon all Israel, the cosmic signs, and the restoration of the kingdom await a future day that is still on the prophetic horizon.
So, now what?
Pentecost is not something that needs to be repeated. It was a once-for-all historical event, as unrepeatable as the crucifixion and the resurrection. What Pentecost inaugurated, however, continues. Every person who places their faith in Jesus Christ receives the same Holy Spirit who fell on those disciples in Jerusalem. The power that emboldened Peter to preach to thousands is available to every believer who walks in yieldedness to the Spirit. The church that was born in that upper room is the same church to which every believer belongs. And the mission that began that morning, ‘you will be my witnesses in Jerusalem and in all Judea and Samaria, and to the end of the earth’ (Acts 1:8), remains unfinished and urgent.
“And it shall come to pass afterward, that I will pour out my Spirit on all flesh; your sons and your daughters shall prophesy, your old men shall dream dreams, and your young men shall see visions.” Joel 2:28 (ESV)