What name is given to the murder of 7 people as part of a Prohibition Era conflict between the South Side Italian gang led by Al Capone and the North Side Irish gang led by Bugs Moran in Chicago, Illinois, in 1929?
The Saint Valentine's Day massacre
What name was given to the political and social movement that united the states of the Italian peninsula into the single country of Italy in the 19th century?
What nickname was given to Mary Mallon, who infected a known 53 people working as a cook in New York and, in 1907, was the first healthy typhoid carrier to be identified?