Mason-Dixon Line

Categories: US History | Education
  • The Mason-Dixon Line is a demarcation between four U.S. States. It is traditionally thought of as the boundary between the Northern and Southern United States. The Mason-Dixon Line forms part of the borders of Pennsylvania, Maryland, Delaware, and West Virginia. The line was surveyed by Charles Mason and Jeremiah Dixon between 1763 and 1767.
  • History

    The Mason-Dixon Line was created to resolve the dispute between British colonies Maryland and Pennsylvania/Delaware. Incorrect maps and descriptions caused the territories of the three colonies to overlap. Charles Mason and Jeremiah Dixon began to survey the areas in order to come to a resolution. The Mason-Dixon Line became important to the history of slavery, as it was used to designate a boundary between slave states and free states.

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