May 26, 1972: U.S. President Nixon and General Secretary of the Communist Party of the Soviet Union Leonid Brezhnev sign the Anti-Ballistic Missile (ABM) Treaty and the Interim Agreement Between the United States of America and the Union of Soviet Socialist Republics on Certain Measures With Respect to the Limitation of Strategic Offensive Arms. [AP/Wide World Photo]
![May 26, 1972: U.S. President Nixon and General Secretary of the Communist Party of the Soviet Union Leonid Brezhnev sign the Anti-Ballistic Missile (ABM) Treaty and the Interim Agreement Between the United States of America and the Union of Soviet Socialist Republics on Certain Measures With Respect to the Limitation of Strategic Offensive Arms. [AP/Wide World Photo]](/cms_images/6brezhnev_nixon1_600.jpg "May 26, 1972: U.S. President Nixon and General Secretary of the Communist Party of the Soviet Union Leonid Brezhnev sign the Anti-Ballistic Missile (ABM) Treaty and the Interim Agreement Between the United States of America and the Union of Soviet Socialist Republics on Certain Measures With Respect to the Limitation of Strategic Offensive Arms. [AP/Wide World Photo]")
