Pinckney's Treaty. noun. 1. an agreement in 1795 between Spain and the U.S. by which Spain recognized the 31st parallel as the southern boundary of the U.S. and permitted free navigation of the Mississippi to American ships.
Sponsored Topics. Harrisburg, a northeastern suburb of Charlotte, is a town in Cabarrus County, North Carolina, United States. The population was 5,819 at the 2008 census. Harrisburg is located at 35Â°19â²20â³N 80Â°39â²12â³W / 35.32222Â°N 80.65333Â°W / 35.32222; -80.65333 (35.322295, -80.653331). According to the United States Census Bureau, the town has a total area of 6.2 square miles (16.2 kmÂ²), all of it land.
Mercersburg is a borough in Franklin County, Pennsylvania, 73 miles (117 km) southwest of Harrisburg. Originally called Black Town, it was incorporated in 1831. In 1900, 956 people lived here, and in 1910, 1,410 people lived here.