Assassination of Dion O'Banion was a Indian Wars and Frontier Conflicts engagement fought in Illinois, 1924.
The murder of North Side gang boss Dion O'Banion in his Schofield's flower shop opposite Holy Name Cathedral opened the Chicago beer wars in earnest. Three men entered posing as customers collecting a funeral order; one gripped O'Banion's hand while the others shot him repeatedly, a killing crew acting on behalf of the Torrio-Capone and Genna factions he had double-crossed over a Sieben Brewery raid. His death removed the truce that had kept the city's bootlegging syndicates apart and triggered years of reprisal killings between the North Side outfit, now led by Hymie Weiss and George Moran, and the South Side alliance of Johnny Torrio, Al Capone and the Genna brothers. The lavish gangland funeral that followed drew national press attention to the scale and political protection of Chicago's Prohibition rackets.
Approximate location. The nearest recorded settlement is shown; the exact site is unrecorded.
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