Despite originated as a dispute-settling boundary between two states, the Mason-Dixon Line would go on to form a key dividing line in the pre-Civil War period. The extended Mason-Dixon Line ...

It is 250 years since America's Mason-Dixon Line was completed. Hailed as a groundbreaking technical achievement, it came to symbolise the border between the Civil War North and South, separating ...

Member of the Surveyors Historical Society, Kevin Brockett, explained some of the history of the boundaries ... after the ...

Oct. 18 (UPI) --On this day in history: In 1776, the border between Maryland and Pennsylvania was established. Dubbed the ...