Acts 13:24

John, having first proclaimed before his coming, the baptism of repentance to all the people of Israel.

Acts 1:22

beginning from the baptism of John unto that same day that he was received on high from among us, that one must be ordained to be a witness with us of his resurrection.

Matthew 3:1-11

In those days came John the Baptist, preaching in the wilderness of Judaea

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, child, shalt be called prophet of the Most High, for thou shalt go before the face of the Lord to prepare his ways,

Luke 3:2-20

Annas and Caiaphas being the high priests, the word of God came upon John the son of Zachariah in the wilderness.

John 1:6-8

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

John 1:15-18

John bore witness of him and cried, saying, This is he of whom I spoke, He that comes after me is preferred before me, for he was before me.

John 3:25-36

Then there arose a question between the disciples of John and the Jews about purifying.

John 5:33-36

Ye sent unto John, and he bore witness unto the truth.

Acts 10:37

that word, I say, ye know, which was published throughout all Judaea and began from Galilee, after the baptism which John preached,

Acts 19:3-4

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

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
beginning from the baptism of John unto that same day that he was received on high from among us, that one must be ordained to be a witness with us of his resurrection.
Acts 10:37
that word, I say, ye know, which was published throughout all Judaea and began from Galilee, after the baptism which John preached,
Acts 19:3
And he said unto them, Into what then were ye baptized? And they said, Into John's baptism.
Matthew 3:1
In those days came John the Baptist, preaching in the wilderness of Judaea
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, child, shalt be called prophet of the Most High, for thou shalt go before the face of the Lord to prepare his ways,
Luke 3:2
Annas and Caiaphas being the high priests, the word of God came upon John the son of Zachariah in the wilderness.
John 1:6
There was a man sent from God, whose name was John.
John 3:25
Then there arose a question between the disciples of John and the Jews about purifying.
John 5:33
Ye sent unto John, and he bore witness unto the truth.