Acts 13:24

John having preached before his coming the baptism of repentance to all the people of Israel.

Acts 1:22

from the baptism of John, till the day that He was taken up from us, should be joined with us as a witness of his resurrection.

Matthew 3:1-11

Now in those days came John the baptist preaching in the desert part of Judea,

Mark 1:2-8

As it is written in the prophets, "Behold, I send my messenger before thy face, who shall prepare thy way before thee:"

Luke 1:76

And thou, my child, shalt be called the prophet of the most High; for thou shalt go before the face of the Lord,

Luke 3:2-20

and Lysanias tetrarch of Abilene, Annas and Caiaphas being high priests, the word of God came unto John the Son of Zacharias in the wilderness:

John 1:6-8

There was a man sent from God, whose name was John:

John 1:15-18

Of Him did John bare witness, and publicly declared, saying, This was He of whom I spake, He that cometh after me is preferred before me; for He was before me.

John 3:25-36

Now there arose a dispute between some of the disciples of John, and the Jews, about purifying.

John 5:33-36

Ye your selves sent unto John, and he bore witness to the truth:

Acts 10:37

Ye know the report that was spread through all Judea, having begun from Galilee, after the baptism which John preached: concerning Jesus of Nazareth,

Acts 19:3-4

And he said unto them, Into what then were ye baptized? And they said, Into the baptism of John.

Treasury of Scripture Knowledge

Summary

When John had first preached before his coming the baptism of repentance to all the people of Israel.

Bible References

General references

Acts 1:22
from the baptism of John, till the day that He was taken up from us, should be joined with us as a witness of his resurrection.
Acts 10:37
Ye know the report that was spread through all Judea, having begun from Galilee, after the baptism which John preached: concerning Jesus of Nazareth,
Acts 19:3
And he said unto them, Into what then were ye baptized? And they said, Into the baptism of John.
Matthew 3:1
Now in those days came John the baptist preaching in the desert part of Judea,
Mark 1:2
As it is written in the prophets, "Behold, I send my messenger before thy face, who shall prepare thy way before thee:"
Luke 1:76
And thou, my child, shalt be called the prophet of the most High; for thou shalt go before the face of the Lord,
Luke 3:2
and Lysanias tetrarch of Abilene, Annas and Caiaphas being high priests, the word of God came unto John the Son of Zacharias in the wilderness:
John 1:6
There was a man sent from God, whose name was John:
John 3:25
Now there arose a dispute between some of the disciples of John, and the Jews, about purifying.
John 5:33
Ye your selves sent unto John, and he bore witness to the truth: