On October 15, 1966, citing its significance in archeology, architecture, and military history, it was added to the National Register of Historic Places.

[3] Jockey Hollow, a few miles south of Morristown, New Jersey along Route 202 in Harding Township, was the site of a Continental Army encampment.

[5] In January 1933, a conference including NPS representatives, the U.S. Secretary of the Interior, and civic and business leaders from the Morris County area, drafted a bill supporting the creation of a national historical park,[5] with "the rank and dignity equal to the scenic program in the West.

14302; S. 5469) and was supported by U.S. Secretary of the Interior Ray Lyman Wilbur, who called it "the most important park project before this department at the present time.

"[5] In March 1933, in the last days of Herbert Hoover's presidency, the 72nd Congress established Morristown as the country's first National Historical Park.