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is a town in Hartford County, Connecticut, United States. The population was 10,347 at the 2000 census. The town center was defined as a census-designated place known as Salmon Brook in the 2000 census.
Granby was part of Simsbury, Connecticut until 1786, when it became independent.
Part of Southwick, Massachusetts known as "the Notch" seceded from Massachusetts in 1774, just before the outbreak of the American Revolutionary War. This territory became part of Granby when it seceded from Simsbury, but was returned to Southwick as part of an 1803-4 border dispute compromise. (See History of Massachusetts.)