USA HISTORY

Detailed explanation-1: -Mason-Dixon Line, also called Mason and Dixon Line, originally the boundary between Maryland and Pennsylvania in the United States. In the pre-Civil War period it was regarded, together with the Ohio River, as the dividing line between slave states south of it and free-soil states north of it.

Detailed explanation-2: -Though both colonies claimed the area between the 39th and 40th parallel, what is now referred to as the Mason-Dixon line finally settled the boundary at a northern latitude of 39 degrees and 43 minutes. The line was marked using stones, with Pennsylvania’s crest on one side and Maryland’s on the other.

Detailed explanation-3: -The Mason-Dixon Line was marked by stones every mile and “crownstones” every five miles, using stone shipped from England. The Maryland side says (M) and the Delaware and Pennsylvania sides say (P). Crownstones include the two coats-of-arms.

Detailed explanation-4: -The Mason-Dixon Line, named for Charles Mason and Jeremiah Dixon, the men who surveyed boundaries between Maryland and Pennsylvania, is known as the dividing line between the North and the South.

Detailed explanation-5: -The Mason-Dixon Line also called the Mason and Dixon Line is a boundary line that makes up the border between Pennsylvania, Delaware, and Maryland. Over time, the line was extended to the Ohio River to make up the entire southern border of Pennsylvania.