Kangaroo fossil research showed that they may have learned to hop over 20 million years ago.
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173 people died in Victoria, Australia, during the Black Saturday bushfires.
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.
After more than three hundred years of colonial rule, Grenada gained its independence from the UK.
The 11th Amendment to the United States Constitution was ratified.
North Korea launched the Kwangmyŏngsŏng-4 reconnaissance satellite atop an Unha rocket.
