On this date in 1972 a demonstration by Roman Catholic civil rights supporters in Londonderry (Derry), Northern Ireland, turned violent when British paratroopers opened fire, killing 13 and injuring 14 others (one of the injured later died); Bloody Sunday, as it became known, precipitated an upsurge in support for the Irish Republican Army.
What tunes can you find that memorialize actual events in history?
