What January 30, 1972 event led to the Whidgery Tribunal?
John Widgery, Baron Widgery:  He is principally noted for presiding over the Widgery Tribunal on the events of Bloody Sunday. Bloody Sunday (1972): Bloody Sunday – sometimes called the Bogside Massacre – was an incident on 30 January 1972 in the Bogside area of Derry, Northern Ireland, when British soldiers shot 28 unarmed civilians during a peaceful protest march against internment.
Bloody Sunday