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"Prohibition" ("Volstead Act") took effect and was the "Law of the Land" for 13 years.
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Perfected in this year, the Thompson submachine gun, or the "Tommy Gun," became the weapon of choice for at least some Chicago mobster gangs.
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Frank Capone, brother of Al Capone, was killed by Cicero, IL
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Torrio's people murdered O'Banion in revenge on October 10, 1924, provoking a gang war
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On September 20, 1926, the North Side gang shot into Capone's entourage as he was eating lunch in the Hawthorne Hotel restaurant.
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february 14, 1929 assassination now called the St. Valentine's Day Massacre. On that day, Capone's henchman "Machine Gun" Jack McGurn attempted to lure rival crime leader George "Bugs" Moran into a garage and kill him.
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In 1930, Capone's sister Mafalda married John J. Maritote at St. Mary of Częstochowa
