Byzantine general Michael Bourtzes seizes one of Antioch's main wall towers, which he defends against repeated attacks for three days until the reinforcements led by the stratopedarches Peter arrive and secure the city for the Byzantines.
American Civil War: The Battle of Fair Oaks & Darbytown Road (also known as the Second Battle of Fair Oaks) ends: Union forces under General Ulysses S. Grant withdraw from Fair Oaks, Virginia, after failing to breach the Confederate defenses around Richmond, Virginia.
World War II: Greece rejects Italy's ultimatum. The Greco-Italian War begins. Italy invades Greece through Albania, marking Greece's entry into World War II.
Elvis Presley receives a polio vaccination on national TV. This single event is credited with raising immunization levels in the United States from 0.6% to over 80% in just six months.