President Warren G. Harding became the first president to pay taxes in the US.
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Identical twins were no longer identical after one returned from a mission to space.
Google employee Emma Haruka Iwao broke a world record by calculating Pi right down to 31.4 trillion digits!
Finland became the world's happiest country.
Dolly Parton attempted to refuse a Rock & Roll Hall of Fame nomination.
Boston became the first American city to have a town meeting.
