Anne Miller became the first American patient to be treated with penicillin.
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Identical twins were no longer identical after one returned from a mission to space.
Beyoncé won her 28th Grammy Award, breaking the world record for most Grammys won by an artist.
The first theater with a movie being projected from the back of the room was opened in New York City.
President Warren G. Harding became the first president to pay taxes in the US.
OpenAI released GPT-4, an upgraded version of their popular artificial intelligence chatbot.
