Kangaroo fossil research showed that they may have learned to hop over 20 million years ago.
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A boy born without an immune system, David Vetter, left his bubble isolation for the first time, aged 12, and touched his mother for the first time.
Beatlemania arrived in the United States when the Beatles landed in New York.
The 11th Amendment to the United States Constitution was ratified.
North Korea launched the Kwangmyŏngsŏng-4 reconnaissance satellite atop an Unha rocket.
It was announced that citrus fruit originated in the Himalayas millions of years ago.
