- August 11, 0070 The Second Temple is destroyed by the Roman army in Jerusalem.
- August 11, 0355 “Claudius Silvanus, accused of treason, proclaims himself Roman Emperor against Constantius II.”
- August 11, 0480 “BC – Greco-Persian Wars: Battle of Artemisium – The Persians achieve a naval victory over the Greeks in an engagement fought near Artemisium, a promontory on the north coast of Euboea. The Greek fleet holds its own against the Persians in three days of fighting but withdraws southward when news comes of the defeat at Thermopylae.”
- August 11, 0586 BC – The First Temple (originally built by King Solomon) is destroyed by the Babylonians in Jerusalem.
- August 11, 1106 “Henry IV escapes his captors at Ingelheim, enters into negotiations at Cologne with English, French, and Danish supporters, begins to collect an army to oppose his treacherous son, but dies August 7 at age 54
- August 11, 1259 “Mongke Khan, the Khagan of the Mongols, dies while conducting the siege against Fishing Town in Chongqing, China, then under the control of the Song Dynasty. International historical sources note three differing accounts of his death; one states he died of an arrow wound received from a Chinese archer during the siege; one states he was killed by dysentery; another states he was killed by a sudden cholera epidemic. Whatever the cause, his death sparks a succession crisis in the Mongol Empire between his brothers Kublai Khan and Ariq Bke.”
- August 11, 1492 Alexander VI is elected Pope.
- August 11, 1711 The first race meeting was held at Ascot
- August 11, 1772 “Explosive eruption blows 4,000′ off Papandayan Java, kills 3,000”
- August 11, 1786 Captain Francis Light established the British colony of Penang in Malaysia
- August 11, 1804 Francis II assumed title of first Emperor of Austria
- August 11, 1824 New South Wales is constituted a Crown colony.
- August 11, 1828 “William Corder is hanged at Bury St. Edmunds, England, for the murder of Maria Marten at the Red Barn a year ago.”
- August 11, 1835 George B Airy begins 46-year reign as England’s Astronomer Royal
- August 11, 1858 First ascent of the Eiger.
- August 11, 1860 “Nation’s first successful silver mill (Virginia City, Nev)”
- August 11, 1863 French protectorate over Cambodia is established.
- August 11, 1877 Asaph Hall discovers Mars’s moon Deimos
- August 11, 1909 “SOS first used by an American ship, Arapahoe, off Cape Hatteras, NC”
- August 11, 1918 “Battle of Amiens ends in WW I, Allieds beat Germans”
- August 11, 1918 World War I – Battle of Amiens ends
- August 11, 1919 Constitution of Weimar Republic adopted
- August 11, 1919 The 12-time NFL champion Green Bay Packers were formed by Curly Lambeau and George Whitney Calhoun.
- August 11, 1920 “The Latvia-Bolshevist Russia peace treaty, which relinquished Russia’s authority and pretenses to Latvia, is signed.”
- August 11, 1929 “Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.”
- August 11, 1933 “Temp reaches 136 degrees F (58? C) at San Luis Potos, Mex (world record)”
- August 11, 1934 Federal prison opened at Alcatraz Island.
- August 11, 1934 First federal prisoners arrive at Alcatraz in SF Bay
- August 11, 1943 “Flying Officer Lloyd Allan Trigg, 200 Squadron, RAF, won the Victoria Cross over the North Sea”
- August 11, 1944 An electric powered rescue hoist was installed on an HNS-1 helicopter at CGAS Floyd Bennett Field.
- August 11, 1945 Allies refuse Japan’s surrender offer to retain Emperor Hirohito
- August 11, 1948 Summer Olympics opens in London
- August 11, 1952 Hussein proclaimed king of Jordan
- August 11, 1954 “Formal peace takes place, ending 7+ yrs of fighting in Indochina between French and Communist Vietminh”
- August 11, 1956 “Elvis Presley releases “”Don’t Be Cruel”””