THE HISTORY BEHIND HANUKKAH is discussed by Stephen Gabriel Rosenberg in an article in the Jerusalem Post. The focus is a debunking of the oil miracle, but it goes well beyond that.

What miracle of the oil?
By STEPHEN GABRIEL ROSENBERG

As children we all knew about the miracle of the oil that was the basis of the festival of Hanukka. When the Maccabees conquered the Temple, they found only one cruse of oil with the unbroken seal of the high priest. It was enough to fuel the holy menora for one day but by miracle it lasted eight days, and thus the Festival of Lights, the festival of Hanukka, is celebrated for eight days.
This is the story in the Talmud, based on earlier versions in Megillat Ta'anit (which records all the days when we are not to fast) and repeated in the Scroll of Antiochus, which was read in medieval times.

It has been pointed out by scholars, Orthodox and otherwise, that this account is full of difficulties. There is no other record that the oil for the menora was ever sealed by the high priest, nor that he even had such a seal. The oil was said to burn for eight days, but it would have been impossible to produce fresh pure olive oil in that time. As the temple had been polluted by the Seleucids, the menora would not have been usable and, although the claim is made that the Hasmoneans made a temporary one out of their weapons, Maccabees mentions nothing about the oil or the miracle.

Above all, who was the high priest whose seal was so important to the Hasmoneans? The story assumes that the high priest was a person of impeccable respectability, who would have upheld the laws of purity in a meticulous manner. He was the spiritual head of the Jewish people and most reliable in keeping the holy laws. That is the assumption made by the writers of the Talmud and the two other sources mentioned.

TO EXAMINE the matter further we have to consult the two Books of Maccabees. They both tell the same story but in a different way and with different details. The First Book is more down-to-earth in its account, while the Second Book takes a more religious tone seeing the hand of God behind the events.

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