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Emoji Calendar
July 31
What happened on this day
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Harry Potter's birthday
61 years ago
Shared by Harry Potter (in J.K. Rowling's novels) and Rowling herself (born 1965), unofficially celebrated by fans worldwide.
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First US patent
236 years ago
George Washington signs a patent for a potash process in 1790, the first granted under the new republic's patent law.
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