In those days came John the Baptist, preaching in the wilderness of Judaea, (3:1)

--Mark--

John did baptize in the wilderness, and preach the baptism of repentance for the remission of sins. (1:4)

--Luke--

And the child grew, and waxed strong in spirit, and was in the deserts till the day of his showing unto Israel. (1:80)

Annas and Caiaphas being the high priests, the word of God came unto John the son of Zacharias in the wilderness. (3:2)

And he came into all the country about Jordan, preaching the baptism of repentance for the remission of sins; (3:3)