Fourth seat of the Prince William County Government. Courthouse, jail, Episcopal Chapel, and
white house were built on land originally part of the Brent Town tract confiscated from Robert
Bristow, a Tory, in 1779. St. James Church of Dettingen Parish (now Hatcher's Memorial
Baptist) was built in 1847 on the site of the old chapel. During the War Between the States Col.
Mosby operated in this area. In 1893 the county seat was moved to Manassas.
Erected 1980