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Historical events on September 9

SEPTEMBER 9, 337
After disposing of all relatives who possibly held a claim to the throne, Constantine II, Constantius II and Constans became Roman co-emperors.
Constantine II was Roman emperor from 337 to 340. The son of the emperor Constantine I, he was proclaimed caesar by his Read More
SEPTEMBER 9, 1141
Yelü Dashi, the Liao general who founded the Qara Khitai, defeated Seljuq and Kara-Khanid forces at the Battle of Qatwan, near Samarkand in present-day Uzbekistan.
Yelü Dashi, courtesy name Zhongde (重德), also known by his temple name as the Emperor Dezong of Western Liao (西遼德宗), was the Read More
SEPTEMBER 9, 1892
At the Lick Observatory in California, Edward Emerson Barnard discovered Amalthea (pictured), a moon of Jupiter and the last natural satellite to be discovered by visual observation.
The Lick Observatory is an astronomical observatory owned and operated by the University of California. It is on the summit of Mount Read More
SEPTEMBER 9, 2010
A natural-gas pipeline in San Bruno, California, exploded and "shot a fireball more than 1,000 feet (300 m) in the air", killing eight people.
Natural gas is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon Read More
SEPTEMBER 9, 1962
French President Charles de Gaulle delivered his "speech to the German youth" to 20,000 people in the courtyard of Ludwigsburg Palace (pictured).
Charles André Joseph Marie de Gaulle was a French general and statesman who led the Free French Forces against Nazi Germany in Read More
SEPTEMBER 9, 2015
Elizabeth II becomes the longest reigning monarch of the United Kingdom.
Elizabeth II was Queen of the United Kingdom and other Commonwealth realms from 6 February 1952 until her death in 2022. She had been Read More
SEPTEMBER 9, 1969
Allegheny Airlines Flight 853 collided in mid-air with a Piper PA-28 Cherokee flown by a student pilot near Fairland, Indiana, destroying both aeroplanes and killing all 83 occupants of both aircraft.
Allegheny Airlines Flight 853 was a regularly scheduled Allegheny Airlines flight from Boston, Massachusetts, to St. Louis, Missouri, with stops in Baltimore, Read More
SEPTEMBER 9, 1493
Ottoman wars in Europe: A large Croatian army intercepted Ottoman forces returning to the Sanjak of Bosnia, but was defeated.
A series of military conflicts between the Ottoman Empire and various European states took place from the Late Middle Ages up through Read More
SEPTEMBER 9, 1954
A magnitude-6.7 earthquake struck near Chlef, killing over 1,200 people and forcing the Algerian government to implement comprehensive reforms in building codes.
The 1954 Chlef earthquake struck El Asnam Province in French Algeria on 9 September at 02:04:43 local time. The shock measured 6.7 Read More
SEPTEMBER 9, 1320
Byzantine forces defeated Achaean troops at the Battle of Saint George, taking control of the Arcadia region of Greece.
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late Read More
SEPTEMBER 9, 1796
French Revolutionary Wars: A naval engagement between French and British fleets off the coast of Sumatra ended inconclusively.
The French Revolutionary Wars were a series of sweeping military conflicts resulting from the French Revolution that lasted from 1792 until 1802. Read More
SEPTEMBER 9, 1939
World War II: About 3,000 Polish Army troops began a nearly month-long defence of the Hel Peninsula during the German invasion of Poland.
World War II or the Second World War was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all Read More
SEPTEMBER 9, 2001
Two al-Qaeda attackers assassinate Ahmad Shah Massoud, a pivotal Afghan resistance leader, two days before the September 11th attacks in the United States.
Al-Qaeda is a pan-Islamist militant organization led by Sunni jihadists who self-identify as a vanguard spearheading a global Islamist revolution to unite Read More
SEPTEMBER 9, 1957
US President Eisenhower signs the Civil Rights Act of 1957, the 1st civil rights bill since Reconstruction.
Dwight David "Ike" Eisenhower was the 34th president of the United States, serving from 1953 to 1961. During World War II, he Read More
SEPTEMBER 9, 1791
The commissioners overseeing the construction of the United States' new capital city named it Washington, D.C., in honor of the first president.
Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of Read More
SEPTEMBER 9, 1739
The Stono Rebellion, at the time the largest slave rebellion in the Thirteen Colonies of British America, erupted near Charleston, South Carolina.
The Stono Rebellion was a slave revolt that began on 9 September 1739, in the colony of South Carolina. It was the Read More
SEPTEMBER 9, 9
Germanic Wars: An alliance of Germanic tribes led by Arminius engaged Roman forces at the Battle of the Teutoburg Forest, defeating three legions within a few days.
The 0s began on January 1, AD 1 and ended on December 31, AD 9, covering the first nine years of the Common Era.
SEPTEMBER 9, 1570
Ottoman–Venetian War (1570–1573): Cyprian city of Nicosia falls to the Ottomans, afterwards an estimated 20,000 citizen are massacred and the rest sold into slavery
The Fourth Ottoman–Venetian War, also known as the War of Cyprus was fought between 1570 and 1573. It was waged between the Read More

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