Calendar of history related events in or nearby Prince William.

Including events from Historic Alexandria, Archeological Society of Virginia (Northern Virginia Chapter), Arlington Historical Society, Bull Run Civil War Round Table, Historic Dumfries, Afro-American Historical Association of Fauquier County, Fauquier Historical Society, Fairfax County Historical Society, Great Falls Historical Society, Historic Fairfax City, Gunston Hall, Herndon Historical Society, Loudoun Museum, Thomas Balch Library (in Leesburg), Historic Manassas, Manassas Museum, McLean Historical Society, Mosby Heritage Area Association, Northern Virginia Regional Park Authority, Occoquan Historical Society, Prince William County Heritage Preservation Division, Prince William Library RELIC Room, Stafford County Historical Society, and Virginia Sesquicentennial of the American Civil War Commission.