An energy crisis in the USA prompted President Nixon to initiate daylight saving time four months early.
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A first-of-its-kind boxing match took place to settle a feud between a butler and a butcher.
A chemist in Berkeley, California, US, announced that they successfully synthesized hormones that are responsible for human growth.
New Mexico became the 47th state to join the United States of America.
The Pyrenean ibex went extinct after the last surviving member of the species was killed by a falling branch.
Pan American Airlines completed its first round the world commercial trip.
