16 March 1190 Massacre of Jews at Clifford's Tower, York.
The 1190 Massacre, article from historyofyork.org    https://www.historyofyork.org.uk/themes/norman/the-1190-massacre

THE JEWS OF YORK, KADDISH  - Idit Arad      https://www.youtube.com/watch?v=XJp6EUEWKwk&list=OLAK5uy_mOfpADI3Lt4lFYN0QfH9GUtELftt-ioK0&index=2