On November 29, 1963, President Lyndon B. Johnson signed Executive Order No. 11130, creating a Commission to report on facts relating to the assassination of President John F. Kennedy. The Commission secured sworn testimony from witnesses, under authority of Senate Joint Resolution 137 (88th Cong., 1st sess.), enacted December 13, 1963. Beginning with its first witness on February 3, 1964, the Commission received testimony from approximately 550 witnesses, and received more than 3,100 exhibits into evidence. The testimony and exhibits are published in 26 volumes.