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Mason-Dixon Line: Quick Facts

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Facts

Also Known As Mason-Dixon Line
Date 1763 - 1767

Photos

Map showing the Mason-Dixon Line as a solid red line marking the boundary between Maryland and Pennsylvania, with a dashed red line extending westward along the Ohio River to represent its unofficial extension separating free and slave states before the U.S. Civil War. Current state boundaries are outlined in gray.
Mason-Dixon Line
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Related Topics and References

Topics

Related Places

The North: New England
the North
region, United States
Maryland: flag
Maryland
state, United States
Pennsylvania: flag
Pennsylvania
state, United States
Pinnacle Overlook in Cumberland Gap National Historical Park
the South
region, United States
United States
United States
country, North America

Key People

default image
Jeremiah Dixon
English surveyor

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