<Tr> <Th> Perpetrators </Th> <Td> Chicago Outfit Egan's Rats The Purple Gang </Td> </Tr> <Tr> <Th> Participant </Th> <Td> 4 (all unidentified) </Td> </Tr> <P> The Saint Valentine's Day Massacre is the name given to the 1929 murder in Chicago of seven men of the North Side gang during the Prohibition Era . It happened on February 14, and resulted from the struggle between the Irish American gang and the South Side Italian gang led by Al Capone to take control of organized crime in the city . Former members of the Egan's Rats gang were suspected of a significant role in the incident, assisting Capone . </P> <P> At 10: 30 a.m. on February 14, 1929, seven men were murdered at the garage at 2122 North Clark Street, in the Lincoln Park neighborhood of Chicago's North Side . They were shot by four men using weapons that included two Thompson submachine guns . Two of the shooters were dressed as uniformed policemen, while the others wore suits, ties, overcoats and hats . Witnesses saw the "police" leading the other men at gunpoint out of the garage after the shooting . </P>

Where did the valentine's day massacre happen