Europe’s Planck spacecraft found evidence that our universe is 13.8 billion years old.
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Between 100 and 3000 Jews were killed in riots in The Erfurt Massacre in the town of Erfurt, Germany.
Aaron Carpenter swam with dolphins for the first time.
The First Zoological Society in the US was formed in Philadelphia.
The inaugural San Diego Comic-Con comic book convention took place.
English Novelist George Eliot completed her famous book called 'The Mill on the Floss.'
