Europe’s Planck spacecraft found evidence that our universe is 13.8 billion years old.
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The first-ever Tweet was published on Twitter.
English Novelist George Eliot completed her famous book called 'The Mill on the Floss.'
A woman in Bangladesh gave birth to twins one month after giving birth previously.
The First Zoological Society in the US was formed in Philadelphia.
The inaugural San Diego Comic-Con comic book convention took place.
