What Happened on July 31, 1972

1972 - Northeast Airlines flies its last flight before being integrated into Delta Air Lines the next day.

1972 - Operation Motorman: British troops move into the no-go areas of Belfast and Derry, Northern Ireland. End of Free Derry.

1972 - Three car bombs are detonated in Claudy, Northern Ireland, killing nine in what's believed to be a Provisional Irish Republican Army attack.