Peninsular War: A combined Franco-Polish force defeats the Spanish in the Battle of Ciudad Real.
War of 1812: In central Alabama, U.S. forces under General Andrew Jackson defeat the Creek at the Battle of Horseshoe Bend.
President Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
Second Sino-Japanese War: The Battle of Taierzhuang begins, resulting several weeks later in the war's first major Chinese victory over Japan.
World War II: Yugoslavian Air Force officers topple the pro-Axis government in a bloodless coup.
Nikita Khrushchev becomes Chairman of the Council of Ministers of the Soviet Union
Kosovo War: An American Lockheed F-117A Nighthawk is shot down by a Yugoslav SAM, the first and only Nighthawk to be lost in combat.
Al-Shabab militants attack and temporarily occupy a Mogadishu hotel leaving at least 20 people dead.