The Acts of Union were passed, officially uniting England and Scotland as one country.
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General Mills introduced Cheerios.
Mr. Potato Head was officially released, originally only consisting of the accessories which were stuck in an actual potato.
Same-sex marriage was legalized in Sweden.
Construction started on Chicago's first-ever skyscraper for the Home Insurance Company of New York.
Crown Prince Naruhito became the Emperor of Japan following his father's abdication.