1061 - Empress Agnes, acting as Regent for her son, brings about the election of Bishop Cadalus, the antipope Honorius II
1516 - Battle of Yaunis Khan: Turkish forces under the Grand Vizier Sinan Pasha defeat the Mameluks near Gaza.
1531 - Battle of Amba Sel: Imam Ahmad ibn Ibrihim al-Ghazi again defeats the army of Lebna Dengel, Emperor of Ethiopia. The southern part of Ethiopia falls under Imam Ahmad's control.
1538 - The first university in the New World, the Universidad Santo Tomás de Aquino, is established.
1628 - The Siege of La Rochelle, which had been lasted for 14 months, ends with the surrender of the Huguenots.
1636 - A vote of the Great and General Court of the Massachusetts Bay Colony establishes the first college in what would become the United States, today known as Harvard University.
1664 - The Duke of York and Albany's Maritime Regiment of Foot, later to be known as the Royal Marines, is established.
1775 - American Revolutionary War: A British proclamation forbids residents from leaving Boston.
1776 - American Revolutionary War: Battle of White Plains – British Army forces arrive at White Plains, attack and capture Chatterton Hill from the Americans.
1834 - The Battle of Pinjarra occurs in the Swan River Colony in present-day Pinjarra, Western Australia. Between 14 and 40 Aborigines are killed by British colonists.
1848 - The first railroad in Spain – between Barcelona and Mataró – is opened.
1864 - American Civil War: 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.
1886 - In New York Harbor, President Grover Cleveland dedicates the Statue of Liberty.
1891 - The Mino-Owari Earthquake, the largest earthquake in Japan's history, strikes Gifu Prefecture.
1893 - Tchaikovsky's Symphony No. 6 in B Minor, Pathétique, receives its premiere performance in St. Petersburg, only nine days before the composer's death.
1918 - World War I: Czechoslovakia is granted independence from Austria-Hungary marking the beginning of independent Czechoslovak state, after 300 years.
1918 - New Polish government in Western Galicia (Central Europe) is established.
1919 - The U.S. Congress passes the Volstead Act over President Woodrow Wilson's veto, paving the way for Prohibition to begin the following January.
1922 - March on Rome: Italian fascists led by Benito Mussolini march on Rome and take over the Italian government.
1929 - Black Monday, a day in the Wall Street Crash of 1929, which also saw major stock market upheaval.
1936 - US President Franklin D. Roosevelt rededicates the Statue of Liberty on its 50th anniversary.
1940 - World War II: Italy invades Greece through Albania, marking Greece's entry into World War II. It is celebrated in Greece as Okhi Day.
1942 - The Alaska Highway (Alcan Highway) is completed through Canada to Fairbanks, Alaska.
1948 - Swiss chemist Paul Müller is awarded the Nobel Prize in Physiology or Medicine for his discovery of the insecticidal properties of DDT.
1954 - The modern Kingdom of the Netherlands is re-founded as a federal monarchy.
1959 - The Buffalo Bills officially enter the American Football League. They would later become a present day National Football League team as part of the AFL-NFL Merger.
1962 - Cuban Missile Crisis: Soviet Union leader Nikita Khrushchev announces that he had ordered the removal of Soviet missile bases in Cuba.
1964 - Vietnam War: U.S. officials deny any involvement in bombing North Vietnam.
1965 - Nostra Aetate, the "Declaration on the Relation of the Church with Non-Christian Religions" of the Second Vatican Council, is promulgated by Pope Paul VI; it absolves the Jews of the alleged killing of Jesus, reversing Innocent III's 760 year-old declaration.
1970 - Gary Gabelich sets a land speed record in a rocket-powered automobile called the Blue Flame, fueled with natural gas.
1971 - Britain launches its first (and as of 2007, only) satellite, Prospero, into low Earth orbit atop a Black Arrow carrier rocket.
1982 - Spanish Socialist Workers' Party (PSOE) wins elections, leading to first Socialist government in Spain after death of Franco. Felipe Gonzalez becomes Prime Minister-elect.
1985 - Sandinista Daniel Ortega becomes president of Nicaragua and makes peace overtures to the United States; American policy continues to support the Contras in their revolt against the Nicaraguan government.
1986 - The centenary of the dedication of the Statue of Liberty is celebrated in New York Harbor.
1998 - An Air China (Mainland China) jetliner is hijacked by disgruntled pilot Yuan Bin and flown to Taiwan.
2005 - Plame affair: Lewis Libby, Vice-president Dick Cheney's chief of staff, is indicted in the Valerie Plame case. Libby resigns later that day.
2006 - Funeral service takes place for those executed at Bykivnia forest, outside Kiev, Ukraine. 817 Ukrainian civilians (out of some 100,000) executed by Bolsheviks at Bykivnia in 1930s – early 1940s are reburied.
2007 - Cristina Fernandez de Kirchner is elected the first woman President of Argentina.