Danish-Norwegian explorer Caroline Mikkelsen became the first woman to set foot in Antarctica.
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American movie studio executives allowed the Office of War Information to review their scripts.
John Glenn became the first American to orbit planet Earth.
US President George Washington signed the Postal Service Act.
Fifteen-year-old Tara Lipinski became the youngest Olympic figure skating gold medalist.
A polymer note replaced the paper £20 note in the UK.
