AD 29

John the Baptist

John the Baptist begins preaching around the Jordan

John’s audience included tax collectors and soldiers, whom he confronted about overcharging, threats, false accusations and their pay.

Luke’s crowded political dateline

Luke dates the arrival of the ‘word of God’ to John to the fifteenth year of Tiberius, while Pontius Pilate governed Judaea, Herod Antipas ruled Galilee, and Annas and Caiaphas were associated with the high priesthood. Converting that marker is the whole difficulty: a modern study of ancient literary, coin and inscriptional evidence places the movement chiefly in 29 CE, though parts of the relevant regnal-year windows begin in late 28.

So the year 28 attached to this entry is possible as one edge of a regnal window, not an independently established starting year. Almost 300 dated inscriptions surveyed in that study consistently treat Tiberius as emperor only after Augustus’s death, undermining the earlier co-regency reckoning.

What John told the crowds to do

Luke says John then traveled through the region around the Jordan proclaiming a baptism of repentance for the forgiveness of sins. Crowds came out to hear him and asked what repentance should change about their conduct.

His answers were concrete. Share necessities — if someone had two coats, one should go to a person who had none. Collect no more than what is due; avoid extortion and false accusation; be content with your pay.

Expectation, and where John pointed it

As expectation grew that John himself might be the Messiah, he redirected it: someone more powerful was coming after him, one who would baptize with the Holy Spirit and fire. That is as close as the passage comes to introducing Jesus — Luke 3:1–2 dates John’s commission, not any simultaneous beginning of Jesus’s ministry.

Josephus attests the movement from outside the Gospels: a good man who urged Jews toward righteousness, piety and baptism, and who drew crowds. He supplies no starting year at all, which leaves Luke’s crowded roll-call of rulers as the only clock this event has.

Sources

Researched 23 Aug 2026 9 sources 2 audit passes, 1 issue open Date disputed

How this was checked

Researched from the web into a fact sheet, rewritten from that sheet, then audited against it by a different model. How the pipeline works →

Date disputed. Sources disagree; the research places it at ~0029.

What the sources leave uncertain

Luke 3:1–2 directly dates John’s commission and activity, not the simultaneous beginning of both John’s and Jesus’s ministries.
The exact calendar conversion of Tiberius’s fifteenth year varies with the regnal calendar, producing windows spanning parts of 28 and 29; 29 is the strongest single-year result in the consulted analysis.
The slug’s exact year 28 is therefore possible as part of a regnal window but is not independently established as the year the ministry began.
Josephus independently attests John and his following but provides no precise starting year.