The Knox–Porter Resolution ending United States involvement in World War I was signed by President Harding at the estate of New Jersey Senator Joseph S. Frelinghuysen Sr. on July 2, 1921.Staff. "Raritan marks the 90th anniversary of the official end of WW1", The Messenger-Gazette, September 12, 2011. Accessed January 10, 2012. "President Warren G. Harding signed the Knox-Porter Resolution on July 2, 1921 on the estate of Joseph Sherman Frelinghuysen, officially ending America's involvement in World War 1. A ceremony marking the event was held on Sept. 10 at the Raritan library."Staff. "HARDING CONSULTS OVER PROCLAIMING STATUS OF PEACE; Confers With Hughes at White House on Need of a Presidential Declaration. NEW TREATY CONSIDERED Belief Persists in Some Quarters That Part of Versailles Agreement Will Be Used. WILL STAND BY THE ALLIES But No Decision Is Announced as to the Form of the Administration's Action.", The New York Times, July 6, 1921. Accessed January 10, 2012. "Secretary of State Hughes went to the white House this afternoon shortly after the return of President Harding from his weekend visit to the home of Senator Frelinghuysen, at Raritan, N.J., and conferred with the President..."
