Search
  
 
Astronomers
borndied
1728, Apr1786, Oct 25
an English astronomer who made significant contributions to 18th-century science and American history, particularly through his involvement with the survey of the Mason-Dixon line, which came to mark the border between Maryland and Pennsylvania (1764–1768). The border between Delaware and Maryland is also defined by a part of the Mason-Dixon line.
 Gallery (1)

Thumbnail
 Timeline (1)
11/15/1763-Charles Mason and Jeremiah Dixon begin surveying Mason-Dixon Line between Pennsylvania and Maryland 
Colonial Sense is an advocate for global consumer privacy rights, protection and security.
All material on this website © copyright 2009-21 by Colonial Sense, except where otherwise indicated.
ref:T5-S50-P1196-CPerson-M