• 491 - Flavius Anastasius becomes Byzantine Emperor, with the name of Anastasius I.
• 1079 - Bishop Stanislaus of Krakow is executed by order of Bolesław II of Poland.
• 1241 - Batu Khan defeats Béla IV of Hungary at the Battle of Muhi.
• 1512 - War of the League of Cambrai: French forces led by Gaston de Foix win the Battle of Ravenna.
• 1689 - William III and Mary II are crowned as joint sovereigns of Britain.
• 1713 - War of the Spanish Succession (Queen Anne's War): Treaty of Utrecht.
• 1775 - The last execution for witchcraft in Germany takes place.
• 1828 - Foundation of Bahia Blanca.
• 1856 - In Rivas, Nicaragua, Juan Santamaria burns down the hostel where William Walker's filibusters are holed up.
• 1865 - President Abraham Lincoln makes his last public speech.
• 1868 - The Shogunate is abolished in Japan.
• 1876 - The Benevolent and Protective Order of Elks is organized.
• 1888 - The Concertgebouw in Amsterdam is inaugurated.
• 1899 - Spain cedes Puerto Rico to the United States.
• 1905 - Albert Einstein reveals his Theory of Relativity (special relativity).
• 1919 - The International Labour Organization is founded.
• 1921 - First sports broadcast on the radio takes place.
• 1921 - The Emirate of Transjordan is created.
• 1921 - Iowa becomes the first U.S. state to impose a cigarette tax.
• 1945 - World War II: American forces liberate the Buchenwald concentration camp.
• 1951 - Korean War: President Harry Truman relieves General Douglas MacArthur of overall command in Korea.
• 1951 - The Stone of Scone, the stone upon which Scottish monarchs were traditionally crowned, is found on the site of the altar of Arbroath Abbey. It had been taken by Scottish nationalist students from its place in Westminster Abbey.
• 1952 - The Battle of Nanri island takes place.
• 1955 - The Air India Kashmir Princess is bombed and crashes in a failed assassination attempt on Zhou Enlai by the Kuomintang.
• 1957 - Britain agrees to Singaporean self-rule.
• 1961 - The trial of Adolf Eichmann begins in Jerusalem.
• 1965 - The Palm Sunday tornado outbreak of 1965: Fifty-one tornadoes hit in six Midwestern states, killing 256 people.
• 1968 - President Lyndon B. Johnson signs the Civil Rights Act of 1968, prohibiting discrimination in the sale, rental, and financing of housing.
• 1968 - German student leader Rudi Dutschke is shot in Berlin.
• 1970 - Apollo 13 is launched.
• 1976 - The Apple I is created.
• 1979 - Ugandan dictator Idi Amin is deposed.
• 1981 - A massive riot in Brixton, South London, results in almost 300 police injuries and 65 serious civilian injuries.
• 1981 - President Ronald Reagan returns to the White House from the hospital, 12 days after he was wounded in an assassination attempt.
• 1987 - The London Agreement is secretly signed between Israeli Foreign Affairs Minister Shimon Peres and King Hussein of Jordan.
• 1990 - Customs officers in Middlesbrough, United Kingdom, say they've seized what they believe to be the barrel of a massive gun on a ship bound for Iraq.
• 2000 - AT&T Park in San Francisco, Minute Maid Park in Houston, and Comerica Park in Detroit open.
• 2001 - The detained crew of a United States EP-3E aircraft that landed in Hainan, People's Republic of China after a collision with an J-8 fighter is released.
• 2002 - The Ghriba synagogue bombing by Al Qaeda kills 21 in Tunisia.
• 2002 - An attempted coup d'état in Venezuela against President Hugo Chávez takes place.
• 2006 - Iranian President Mahmoud Ahmadinejad announces that Iran has successfully enriched uranium.
• 2007 - 2007 Algiers bombings: Two bombings in the Algerian capital of Algiers, kills 33 people and wounds a further 222 others.

Births