11 August Events

August 11 is the 223rd day of the year (224th in leap years) in the Gregorian calendar. There are 142 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Thursday or Saturday (58 in 400 years each) than on Sunday or Monday (57), and slightly less likely to occur on a Wednesday or Friday (56).

Events

3114 BC – The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Maya, begins.
2492 BC – Traditional date of the defeat of Bel by Hayk, progenitor and founder of the Armenian nation.
106 – The south-western part of Dacia (modern Romania) becomes a Roman province: Roman Dacia.
355 – Claudius Silvanus, accused of treason, proclaims himself Roman Emperor against Constantius II.
490 – Battle of Adda: The Goths under Theodoric the Great and his ally Alaric II defeat the forces of Odoacer on the Adda River, near Milan.
1332 – Wars of Scottish Independence: Battle of Dupplin Moor: Scots under Domhnall II, Earl of Mar are routed by Edward Balliol.
1473 – The Battle of Otlukbeli: Mehmed the Conqueror of the Ottoman Empire decisively defeats Uzun Hassan of Aq Qoyunlu.
1675 – Franco-Dutch War: Forces of the Holy Roman Empire defeat the French in the Battle of Konzer Brücke.
1786 – Captain Francis Light establishes the British colony of Penang in Malaysia.
1804 – Francis II assumes the title of first Emperor of Austria.
1812 – Peninsular War: French troops engage British-Portuguese forces in the Battle of Majadahonda.
1813 – In Colombia, Juan del Corral declares the independence of Antioquia.
1858 – The Eiger in the Bernese Alps is ascended for the first time by Charles Barrington accompanied by Christian Almer and Peter Bohren.
1898 – Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
1918 – World War I: The Battle of Amiens ends.
1920 – The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
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.
1934 – The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
1942 – Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.
1945 – Poles in Kraków engage in a pogrom against Jews in the city, killing one and wounding five.
1952 – Hussein bin Talal is proclaimed King of Jordan.
1959 – Sheremetyevo International Airport, the second-largest airport in Russia, opens.
1960 – Chad declares independence.
1961 – The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.
1962 – Vostok 3 launches from the Baikonur Cosmodrome and cosmonaut Andrian Nikolayev becomes the first person to float in microgravity.
1965 – Race riots (the Watts Riots) begin in the Watts area of Los Angeles, California.
1972 – Vietnam War: The last United States ground combat unit leaves South Vietnam.
1975 – East Timor: Governor Mário Lemos Pires of Portuguese Timor abandons the capital Dili, following a coup by the Timorese Democratic Union (UDT) and the outbreak of civil war between UDT and Fretilin.
1979 – Two Aeroflot Tupolev Tu-134s collide over the Ukrainian city of Dniprodzerzhynsk and crash, killing all 178 aboard both airliners.
1982 – A bomb explodes on Pan Am Flight 830, en route from Tokyo, Japan to Honolulu, Hawaii, killing one passenger and injuring 15 others.
1984 – "We begin bombing in five minutes": United States President Ronald Reagan, while running for re-election, jokes while preparing to make his weekly Saturday address on National Public Radio.
2003 – NATO takes over command of the peacekeeping force in Afghanistan, marking its first major operation outside Europe in its 54-year-history.
2003 – Jemaah Islamiyah leader Riduan Isamuddin, better known as Hambali, is arrested in Bangkok, Thailand.
2006 – The oil tanker M/T Solar 1 sinks off the coast of Guimaras and Negros Islands in the Philippines, causing the country's worst oil spill.
2012 – At least 306 people are killed and 3,000 others injured in a pair of earthquakes near Tabriz, Iran.

Holidays and observances

Christian Feast Day:
Athracht
Clare of Assisi
Fiacre
Gaugericus
John Henry Newman (Church of England)
Philomena
Susanna
Taurinus of Évreux
Tiburtius and Chromatius
August 11 (Eastern Orthodox liturgics)
Flag Day (Pakistan)
Independence Day, celebrates the independence of Chad from France in 1960.
Mountain Day (Japan)

Source: wikipedia