Event Detail

Summary

Type Method Description Successful?
Annexation Legislature Washington County-Allegheny County 1789 Annexation yes

Dates

Event Year(s) Final Decree Date Effective Date How Effective Date Determined
1789 Sep 17, 1789 Act of Legislature - Date Approved

Map

Affected Government

From
Municipality
From
County
From
State
To
Municipality
To
County
To
State
Nottingham, Township of (Washington)
Reduction
Washington County
Reduction
PA
Part
Mifflin, Township of (Allegheny, defunct)
Expansion
Allegheny County
Expansion
PA
Part
Peters, Township of (Washington)
Reduction
Washington County
Reduction
PA
Part
Mifflin, Township of (Allegheny, defunct)
Expansion
Allegheny County
Expansion
PA
Part
Peters, Township of (Washington)
Reduction
Washington County
Reduction
PA
Part
Saint Clair, Township of (Allegheny, defunct)
Expansion
Allegheny County
Expansion
PA
Part
Cecil, Township of
Reduction
Washington County
Reduction
PA
Part
Moon, Township of (Allegheny, defunct)
Expansion
Allegheny County
Expansion
PA
Part
Robinson, Township of (Washington)
Reduction
Washington County
Reduction
PA
Part
Moon, Township of (Allegheny, defunct)
Expansion
Allegheny County
Expansion
PA
Part
Hanover, Township of (Washington)
Reduction
Washington County
Reduction
PA
Part
Moon, Township of (Allegheny, defunct)
Expansion
Allegheny County
Expansion
PA
Part

Metes and Bounds Description

Detail Description Type Source Acres Beginning Point
View Washington County-Allegheny County 1789 Annexation line after act river Ohio where the boundary line of the state crosses the said river

Law

Detail Citation Relationship
View Act of September 17, 1789 (13 Pa. Stat. at Large 319, Ch. 1435), §§ 1–5 direct

Source

Detail Source Title Person(s) Vol. Page(s) Date 1 Date 2
View Crumrine 1882 CECIL TOWNSHIP 698
View Crumrine 1882 ROBINSON TOWNSHIP 900
View Newberry Comprehensive PA As of Feb 8, 2010 Retrieved Jan 30, 2018
View Newberry Comprehensive PA As of Feb 8, 2010 Retrieved Jan 30, 2018
View Newberry GIS Counties As of Sep 30, 2011 Retrieved Jan 30, 2018
View Newberry GIS Counties As of Sep 30, 2011 Retrieved Jan 30, 2018