005 – Chronological Study of the Early Church. Pentecost was the beginning of the church. While the miracles and and signs were amazing, it was not the sound of the mighty rushing wind, the tongues or even the baptism of 3000 that was God’s sustaining work. It was the word, the worship, communion and prayer the matured the Body of Christ. This is the foundation of every Christ honoring church, and the plumbline of all practice.