Acts 13:24

For whose coming John made ready the way by preaching to all the people of Israel the baptism which goes with a change of heart.

Acts 1:22

Starting from the baptism of John till he went up from us, one will have to be a witness with us of his coming back from death.

Matthew 3:1-11

And in those days John the Baptist came preaching in the waste land of Judaea,

Mark 1:2-8

Even as it is said in the book of Isaiah the prophet, See, I send my servant before your face, who will make ready your way;

Luke 1:76

And you, child, will be named the prophet of the Most High: you will go before the face of the Lord, to make ready his ways;

Luke 3:2-20

When Annas and Caiaphas were high priests, the word of the Lord came to John, the son of Zacharias, in the waste land.

John 1:6-8

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

John 1:15-18

John gave witness about him, crying, This is he of whom I said, He who is coming after me is put over me because he was in existence before me.

John 3:25-36

Then a question came up between John's disciples and a Jew about washing.

John 5:33-36

You sent to John and he gave true witness.

Acts 10:37

That word you yourselves have knowledge of, which was made public through all Judaea, starting from Galilee, after the baptism of which John was the preacher,

Acts 19:3-4

And he said, What sort of baptism did you have? And they said, 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
Starting from the baptism of John till he went up from us, one will have to be a witness with us of his coming back from death.
Acts 10:37
That word you yourselves have knowledge of, which was made public through all Judaea, starting from Galilee, after the baptism of which John was the preacher,
Acts 19:3
And he said, What sort of baptism did you have? And they said, The baptism of John.
Matthew 3:1
And in those days John the Baptist came preaching in the waste land of Judaea,
Mark 1:2
Even as it is said in the book of Isaiah the prophet, See, I send my servant before your face, who will make ready your way;
Luke 1:76
And you, child, will be named the prophet of the Most High: you will go before the face of the Lord, to make ready his ways;
Luke 3:2
When Annas and Caiaphas were high priests, the word of the Lord came to John, the son of Zacharias, in the waste land.
John 1:6
There was a man sent from God, whose name was John.
John 3:25
Then a question came up between John's disciples and a Jew about washing.
John 5:33
You sent to John and he gave true witness.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain