September 4 is the 247th day of the year (248th in leap years) in the Gregorian calendar. There are 118 days remaining until the end of the year.
Events：
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 FlorentineGuelphs at Montaperti.
1479 – The Treaty of Alcáçovas is signed by the Catholic Monarchs of Castile and Aragon on one side and Afonso Vand 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 Maltaand Gozo become the Malta Protectorate.
1812 – War of 1812: The Siege of Fort Harrison begins when the fort is set on fire.
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