TODAY IN HISTORY: December 6
1735: The first recorded appendectomy is performed by Claudius Amyand at St. George's Hospital in London.
1917: The French munition ship Mont Blanc explodes in Halifax harbour, killing 1,700.
1969: An estimated 300,000 people attend a free concert at Altamont Speedway in California, featuring The Rolling Stones. Four people are killed amid violence at the venue.
1989: Marc Lepine kills 14 women at the Ecole Polytechnique engineering school in Montreal before turning the gun on himself.
2001: The province of Newfoundland is renamed Newfoundland and Labrador.