IBM was founded as the Computing-Tabulating-Recording Company in Endicott, New York.
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The rules for the Grammy Awards were updated to restrict AI-generated songs.
Ghostbusters II was released in 2,410 movie theaters across the US.
Cosmonaut Valentina Tereshkova became the first woman in space.
The state of California began issuing marriage licenses to same-sex couples.
The longest papal reign began when Pope Pius IX was elected.