The Archbishop of Canterbury said yesterday that the Christmas story of the Three Wise Men was nothing but a 'legend'.

Dr Rowan Williams has claimed there was little evidence that the Magi even existed and there was certainly nothing to prove there were three of them or that they were kings.

He said the only reference to the wise men from the East was in Matthew's gospel and the details were very vague.

Dr Williams said: "Matthew's gospel says they are astrologers, wise men, priests from somewhere outside the Roman Empire, that's all we're really told. It works quite well as legend."

The Archbishop went on to dispel other details of the Christmas story, adding that there were probably no asses or oxen in the stable.

He argued that Christmas cards which showed the Virgin Mary cradling the baby Jesus, flanked by shepherds and wise men, were misleading. As for the scenes that depicted snow falling in Bethlehem, the Archbishop said the chance of this was "very unlikely".

In a final blow to the traditional nativity story, Dr Williams concluded that Jesus was probably not born in December at all. He said: "Christmas was when it was because it fitted well with the winter festival."

His comments came during an interview on BBC Radio 5 Live with Simon Mayo yesterday. Later on in the show, the Archbishop was challenged by fellow guest Ricky Gervais, the comedian, about the credibility of the Christmas story.

Gervais told Dr Williams he was concerned about "brainwashing" of children who are sent to faith schools at an early age, comparing teaching that God exists to belief in Father Christmas.

Dr Williams said faith schools expose children to the full range of human experience and values and he did not believe they indoctrinated people.

ABC I should think so; the Gospel tells us he was born outside the main house, probably because it was overcrowded because it was pilgrimage time or census time; whatever; yes; he's born in poor circumstances, slightly out of the ordinary.

SM The Virgin Mary next door to him?

ABC We know his mother's name was Mary, that's one of the things all the gospels agree about, and the two gospels that tell the story have the story of the virgin birth and that's something I'm committed to as part of what I've inherited.

SM You were a prominent part of a Spectator survey in the current issue which headlined' Do you believe in the virgin birth?' there are some people in this survey who would say they were Christian who don't have a problem if you don't believe in the Virgin birth;' how important it is it to believe in that bit?

ABC I don't want to set it as a kind of hurdle that people have to get over before they, you know, be signed up;, but I think quite a few people that as time goes on, they get a sense, a deeper sense of what the virgin birth is about. I would say that of myself. About thirty years ago I might have said I wasn't too fussed about it - now I see it much more as dovetailing with the rest of what I believe about the story and yes.

SM Christopher Hitchens and many others make the point that isn't the translation for young woman rather than virgin? Does it have to be seen as virgin; might it be a mistranslation?

ABC It is… well, what's happening there one of the gospels quotes a prophecy that a virgin will conceive a child. Now the original Hebrew doesn't have the word virgin, it's just a young woman, but that's the prophecy that's quoted from the Old Testament in support of the story which is, in any case, about a birth without a human father, so it's not that it rests on mistranslation; St Matthew's gone to his Greek version of the bible and said "Oh, 'virgin'; sounds like the story I know," and put it in.

SM So you've got the Virgin Mary, Jesus: Joseph?

ABC Joseph, yes, again, the Gospels are pretty consistent that that's his father's name;

SM So we're panning out now'; shepherds? They're with their sheep and the oxes and asses?

ABC Pass on the oxes and asses; they don't figure very strongly in the gospels, so I can live without the ox and asses.

SM And the wise men with the gold, frankincense, and Myrrh - with one of the wise men normally being black and the other two being white, for some reason?

ABC Well Matthew's gospel doesn't tell us that there were three of them, doesn't tell us they were kings, doesn't tell us where they came from, it says they're astrologers, wise men, priests from somewhere outside the Roman Empire. That's all we're really told so, yes, 'the three kings with the one from Africa' - that's legend; it works quite well as legend.

SM But would they have been there?

ABC Not with the shepherds, they wouldn't. So if you've got shepherds on one side and three kings on the other, there's a bit of conflation going on.

SM And pulling back further - snow on the ground?

ABC Very unlikely I think; it can be pretty damn cold in Bethlehem at this time of the year, but we don't know that it was this time of year because again the Gospels don't tell us what time of year it was; Christmas is the time it is because it fitted very well with the winter festival.

SM Just as a side issue on the kings and the wise bit; do you have a problem with astrologers being seen as wise men; there'd be many people in your church who would think, actually, astrology is bunk and should be exposed as bunk and the idea of saying that they are wise is somewhat farcical.?

ABC Well I 'm inclined to agree that astrology is bunk but you're dealing there with a world in which people watched the stars in order to get a sort of heads up on significant matters and astrologers were quite a growth industry; people who were respected and had a kind of professional technical skill and were respected as such., the thing here if course is what's the skill about? Well it's all bringing them to Jesus; it's not about fortune telling or telling the future, it's about a skill of watching the universe which leads them inexorably towards this event, so I don't think it's a justification of astrology.

SM So if we're pulling back even further then, is there a star above the place where the child is?

ABC Don't know; I mean Matthew talks about the star rising, about the star standing still; we know stars don't behave quite like that, that the wise men should have seen something which triggered a recognition of something significant was going on; some constellation, there are various scientific theories about what it might have been at around that time and they followed that trek; that makes sense to me.