The Apostle Paul's first missionary journey
Acts Bible Study Chapter 13: 'While they were worshiping the Lord and fasting, the Holy Spirit said, “Set apart for me Barnabas and Saul for the work to which I have called them.” So after they had fasted and prayed, they placed their hands on them and sent them off.' (Acts 13.2-3, NIV.) Acts 13 details the start of Paul's first missionary journey.