On Thursday evening, the small progressive Jewish community in York will gather at Jewbury, the city’s medieval Jewish cemetery, to light memorial candles and say prayers for 150 people who died in a 12th-century pogrom at Clifford’s Tower. The flames will then be used to light the eighth and final candle on menorahs, or special candelabra, brought to the ceremony by members of the community, marking the end of Hanukkah, the Jewish festival of light that began last Thursday. “It’s very symbolic to end Hanukkah in a blaze of light,” said the community’s rabbi, Elisheva Salamo. But, she added, the...