OpenAI released GPT-4, an upgraded version of their popular artificial intelligence chatbot.
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Identical twins were no longer identical after one returned from a mission to space.
German inventor Ferdinand von Zeppelin granted a patent for the navigable balloon.
President Warren G. Harding became the first president to pay taxes in the US.
American inventor Eli Whitney was granted a patent for a ground-breaking new type of cotton gin.
The first theater with a movie being projected from the back of the room was opened in New York City.
