https://avalon.law.yale.edu/subject_menus/mutdef.asp
(in 1949-1951)
- 1949 - NATO Treaty; April 4
- 1951 - Defense of Greenland: Agreement Between the United States and the Kingdom of Denmark, April 27
- 1951 - Defense of Iceland: Agreement Between the United States and the Republic of Iceland, May 5
- 1951 - Mutual Defense Treaty Between the United States and the Republic of the Philippines; August 30
- 1951 - Security Treaty Between the United States, Australia, and New Zealand (ANZUS); September 1
- 1951 - Military Facilities in the Azores: Agreement Between Portugal and the United States, September 6
- 1951 - Security Treaty Between the United States and Japan; September 8
- 1951 - Military Assistance Agreement Between the United States and Yugoslavia, November 14