SECUREen.wikipedia.org/wiki/History_of_the_Jews_in_England_(1066–1290)
Isolated attacks on Jews also occurred at Colchester, Thetford, and Ospringe.. A significant loss of life occurred at York on the night of March 16 (Shabbat HaGadol, the Shabbat before Passover) and 17 March 1190. As crusaders prepared to leave on the Third Crusade, religious fervour resulted in several anti-Jewish violences. Josce of York, the leader of the Jews in York, asked …