John F. Kennedy signed Nuclear Test Ban Treaty documentA John F. Kennedy signed Department of State Bulletin, dated August 19, 1963. Relating directly to the signing of the Nuclear Test Ban Treaty. On August 5, 1963, the United States, the Soviet Union and Great Britain signed the Nuclear Test Ban Treaty, which limited the testing of nuclear weapons in the Earth's atmosphere. It was a milestone in 20th century history, and is regarded as perhaps the greatest achievement of Kennedy's Presidency. Two weeks