The Supreme Court of the Soviet Union announced a change in the nation's historic presumption of guilt in criminal proceedings, in favor of the presumption of innocence, often described as "innocent until proven guilty". Justice Alexander Gorkin, the President of the Supreme Court and the USSR's highest judicial officer, gave notice in the government newspaper Izvestia of the new criminal procedure, and added that the practice of summary secret police trials, common during the era of Joseph Stalin, was over.
U.S. President Lyndon B. Johnson and his top-ranking advisers met to discuss plans to bomb North Vietnam. After some debate, they agreed on a two-phase bombing plan with an objective of ending North Vietnamese support of Viet Cong operations in South Vietnam and maintaining the security of other non-Communist nations in Southeast Asia.
The Ankara Agreement, signed on September 12, 1963, between representatives of Turkey and the European Economic Community (EEC), went into effect, beginning the preparatory stage for Turkey's eventual full membership in the EEC. More than fifty years later, Turkey maintains a relationship with the EEC's successor, the European Union, but has not attained membership.
Civil rights leader Martin Luther King, Jr. and FBI Director J. Edgar Hoover met for 70 minutes at FBI headquarters in Washington, D.C. in order to clear up the animosity between the two men. King had said that the FBI had done a poor job of investigating civil rights violations in the South, and Hoover had called King "the most notorious liar in the country", and the two met at King's request.