Frederick County / Shenandoah County
Frederick County. Area 485 Square Miles. Formed in 1738 from Orange, and named for Frederick, Prince of Wales, Father of King George III. Several battles were fought in the vicinity of Winchester, 1862–1864.
Shenandoah County. Area 510 Square Miles. Formed in 1772 from Frederick, and first named Dunmore for Lord Dunmore, Governor of Virginia, 1771–1775. In 1778 the county was renamed for the Shenandoah River.
Marker is at the intersection of Wardensville Pike / John Marshall Highway (Virginia Route 55) and Star Tannery Road (County Route 604), on the left when traveling west on Wardensville Pike / John Marshall Highway.
Courtesy hmdb.org