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American astronomer Edwin Hubble announces the discovery of galaxies outside the Milky Way.
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The first all-woman US State Supreme Court was appointed as a special state supreme court for a case involving the Woodmen of the World.
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Al Capone takes over Chicago bootlegging racket
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American Negro Congress is organized
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“The Great Gatsby” by F Scott Fitzgerald is published
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John T Scopes (a US teacher) was arrested for teaching the theory of evolution
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US and Italy sign peace accord about war debts
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Calvin Coolidge becomes the first US president to have his inauguration broadcast over the radio
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Eight 60 mph tornadoes speed through Missouri, Indiana and Illinois, killing 689 people and injuring thousands more.
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New York City becomes the largest city in the world (taking the lead from London)
