On this day:

1831 The British explorer James Clark Ross discovers the North Magnetic Pole

1974 The Heimlich maneuver to stop choking is published

1979 Rhodesia (Zimbabwe) ends 90 years of white rule

1996 H. D. Deve Gowda becomes Prime Minister of India

Born on this day:

1926 Marilyn Monroe, American model, actress, singer

Gone on this day:

1996 Sanjiva Reddy, sixth President of India (1977-82), dies at 83