This collection presents the official documentary historical record of major U.S. foreign policy decisions and significant diplomatic activity. The series, produced by the State Department’s Office of the Historian, is comprised of more than 500 books of invaluable historical information. The series began in 1861 during Abraham Lincoln’s administration, under the title of Papers Relating to the Foreign Relations of the United States, and continues until the administration of Richard Nixon in 1975. In 1947, the title changed to Foreign Relations of the United States: Diplomatic Papers. Finally in 1969, the name was shortened to its present form, Foreign Relations of the United States. The Foreign Relations volumes contain documents from various Presidential libraries, the Department of State and Defense, the National Security Council, the Central Intelligence Agency, the Agency for International Development, and other foreign affairs agencies as well as the private papers of individuals involved in formulating U.S. foreign policy.