September 4 events in history

476 Romulus Augustulus, last emperor of the Western Roman Empire, is deposed when Odoacer proclaims himself "King of Italy", thus ending the Western Roman Empire
626 Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne over the Tang dynasty of China
1260 The Sienese Ghibellines, supported by the forces of Manfred, King of Sicily, defeat the Florentine Guelphs at Montaperti
1479 The Treaty of Alcáçovas is signed by the Catholic Monarchs of Castile and Aragon on one side and Afonso V and his son, Prince John of Portugal
1666 In London, England, the most destructive damage from the Great Fire occurs
1774 New Caledonia is first sighted by Europeans, during the second voyage of Captain James Cook
1781 Los Angeles is founded as El Pueblo de Nuestra Señora La Reina de los Ángeles de Porciúncula (The Village of Our Lady, the Queen of the Angels of Porziuncola) by 44 Spanish settlers
1797 Coup of 18 Fructidor in France
1800 The French garrison in Valletta surrenders to British troops who had been called at the invitation of the Maltese. The islands of Malta and Gozo become the Malta Protectorate
1812 War of 1812: The Siege of Fort Harrison begins when the fort is set on fire
1862 American Civil War Maryland Campaign: General Robert E. Lee takes the Army of Northern Virginia, and the war, into the North
1870 Emperor Napoleon III of France is deposed and the Third Republic is declared
1882 Thomas Edison flips the switch to the first commercial electrical power plant in history, lighting one square mile of lower Manhattan. This is considered by many as the day that began the electrical age
1886 American Indian Wars: After almost 30 years of fighting, Apache leader Geronimo, with his remaining warriors, surrenders to General Nelson Miles in Arizona
1888 George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film
1912 Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
1919 Mustafa Kemal Atatürk, who founded the Republic of Turkey, gathers a congress in Sivas to make decisions as to the future of Anatolia and Thrace
1923 Maiden flight of the first U.S. airship, the USS Shenandoah
1939 World War II: A Bristol Blenheim is the first British aircraft to cross the German coast following the declaration of war and German ships are bombed
1941 World War II: A German submarine makes the first attack against a United States ship, the USS Greer
1944 World War II: Finland exits from the war with Soviet Union
1944 World War II: The British 11th Armoured Division liberates the Belgian city of Antwerp
1948 Queen Wilhelmina of the Netherlands abdicates for health reasons
1949 The Peekskill Riots erupt after a Paul Robeson concert in Peekskill, New York
1950 Darlington Raceway is the site of the inaugural Southern 500, the first 500-mile NASCAR race
1951 The first live transcontinental television broadcast takes place in San Francisco, from the Japanese Peace Treaty Conference
1957 American Civil Rights Movement: Little Rock Crisis: Orval Faubus, governor of Arkansas, calls out the National Guard to prevent African American students from enrolling in Central High School
1957 The Ford Motor Company introduces the Edsel
1963 Swissair Flight 306 crashes near Dürrenäsch, Switzerland, killing all 80 people on board
1964 Scotland's Forth Road Bridge near Edinburgh officially opens
1967 Vietnam War: Operation Swift begins when U.S. Marines engage the North Vietnamese in battle in the Que Son Valley
1970 Salvador Allende is elected President of Chile
1972 Mark Spitz becomes the first competitor to win seven medals at a single Olympic Games
1975 The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed
1977 The Golden Dragon massacre takes place in San Francisco
1985 The discovery of Buckminsterfullerene, the first fullerene molecule of carbon
1989 In Leipzig, East Germany, the first of weekly demonstration for the legalisation of opposition groups and democratic reforms takes place
1995 WCW Monday Nitro makes its debut on TNT
1996 War on Drugs: Revolutionary Armed Forces of Colombia (FARC) attack a military base in Guaviare, starting three weeks of guerrilla warfare in which at least 130 Colombians are killed
1998 Google is founded by Larry Page and Sergey Brin, two students at Stanford University
2001 Tokyo DisneySea opens to the public as part of the Tokyo Disney Resort in Urayasu, Chiba, Japan
2007 Three terrorists suspected to be a part of Al-Qaeda are arrested in Germany after allegedly planning attacks on both the Frankfurt International airport and US military installations
2010 Canterbury earthquake: A 7.1 magnitude earthquake strikes the South Island of New Zealand at 4:35 am causing widespread damage and several power outages