Acts 1:22
beginning from the immersion of John till the day on which he was taken up from us, must one be appointed as a witness with us of his resurrection.
Acts 1:2
till the day on which he was taken up, after he had, through the Holy Spirit, given commandments to the apostles whom he had chosen.
Acts 1:8-9
But you shall receive power, after the Holy Spirit has come upon you, and you shall be witnesses for me both in Jerusalem, and in all Judea, and in Samaria, and to the most distant part of the earth.
Acts 4:33
And with great power did the apostles bear testimony to the resurrection of the Lord Jesus, and great grace was on them all.
Matthew 3:1-17
In those days came John the Immerser, preaching in the wilderness of Judea,
Mark 1:1-8
THE beginning of the gospel of Jesus Christ, the Son of God;
Luke 3:1-18
In the fifteenth year of the reign of Tiberius Caesar, when Pontius Pilate was governor of Judea, and Herod was tetrarch of Galilee, and his brother Philip was tetrarch of Iturea and of the region of Trachonitis, and Lysanias was tetrarch of Abilene,
John 1:28-51
These things were done in Beth any, beyond the Jordan, where John was immersing.
John 15:27
and you also will testify, because you have been with me from the beginning.
Acts 13:24-25
John having first preached, before his coming, the immersion of repentance to all the people of Israel.
Hebrews 2:3
how shall we escape, if we neglect so great salvation? which at first began to be spoken by the Lord, and was confirmed to us by those who heard him;