Prince William County
AREA 345 SQUARE MILES
Formed in 1730 from Stafford and King George, and
named for William Augustus, Duke of Cumberland,
second son of George II. The First and Second Battles of Manassas took place in this
county.
Erected 1934
Fairfax
County
AREA 417 SQUARE MILES
Formed in 1742 from Prince William and
Loudoun, and
named for Lord Fairfax, proprietor of the Northern Neck. Mount Vernon George Washington's home is in this
county.
Erected 1929