The answer is - Rosh Hashanah
Which Jewish festival, celebrated over the 14th and 15th of the Hebrew month of Adar (approximately March in the Gregorian calendar), is to commemorate the preservation of the Jews in Persia from the destruction threatened by Haman?
According to Jewish tradition, whose chair is set ready at each passover meal in case he reappears to herald the coming of the Messiah?
According to the Christian and Jewish Bible, who turned into a pillar of salt when she looked back at the destruction of Sodom and Gomorrah?