Christmas 1940 Seventy-one years ago, the approach of Christmas in Sheffield was very different from today. In December 1940, Sheffield suffered two ‘blitz’ attacks, one on the night of Thursday, 12th and again on the night of Sunday, the 15th. The attacks were not unexpected, as other large cities had already suffered, and Professor J.B.S.Haldane had written that “There is a half square mile of Sheffield which is more vital for the production of munitions than any other part of Bri