Windsor was a

township A township is a form of human settlement or administrative subdivision. Its exact definition varies among countries. Although the term is occasionally associated with an urban area, this tends to be an exception to the rule. In Australia, Canad ...

(1751–1797) in early Middlesex County, in an area that is now within Mercer County,

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. The Windsor area was within Piscataway Township when it was chartered on December 18, 1666. This changed upon the formation of Middlesex County in 1683. New Windsor Township, known later as Windsor Township, was unofficially formed in 1731, and officially created by

Royal Charter A royal charter is a formal grant issued by a monarch under royal prerogative as letters patent. Historically, they have been used to promulgate public laws, the most famous example being the English Magna Carta (great charter) of 1215, but ...

on March 9, 1751, from a partition of Piscataway Township. The township was named after Windsor, England.Hutchinson, Viola L
''The Origin of New Jersey Place Names''
New Jersey Public Library Commission, May 1945. Accessed August 29, 2015. Its borders encompassed today's West Windsor Township, all of present-day

Princeton Princeton University is a private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the Unit ...

up to Nassau Street, and pre-partition East Windsor Township. Both East Windsor Township and West Windsor Township were formed when Windsor Township was divided on February 9, 1797. The boundaries of old Windsor Township now lie within Mercer County, because the February 22, 1838 formation Mercer County took West Windsor Township and portions of East Windsor Township from Middlesex County.

References

{{coord, 40.276, -74.558, type:adm3rd_globe:earth_region:US-NJ, display=title Former townships in New Jersey Geography of Mercer County, New Jersey