Article-a-Day #71: HowStuffWorks-How the Mason-Dixon Line Unwittingly Became the Divider Between the North and the South

Mason and Dixon, who were Englishmen, were hired in 1763 by the King of England to settle a land dispute between the aristocratic colonial families, Quaker William Penn II and the Charles Calvert of Maryland. The two families quarreled and fought over land for decades. Colonial landowners along the line separating the two proprietors’ land feared being asked to pay taxes to both the Penns and Calverts because both families were claiming the same land.

SOURCE: https://history.howstuffworks.com