August 14 events in history

1040 King Duncan I is killed in battle against his first cousin and rival Macbeth. The latter succeeds him as King of Scotland
1183 Taira no Munemori and the Taira clan take the young Emperor Antoku and the three sacred treasures and flee to western Japan to escape pursuit by the Minamoto clan (traditional Japanese date: Twenty-fifth Day of the Seventh Month of the Second Year of Juei)
1288 Count Adolf VIII of Berg grants town privileges to Düsseldorf, the village on the banks of the Düssel
1352 War of the Breton Succession: Anglo-Bretons defeat the French in the Battle of Mauron
1370 Charles IV, Holy Roman Emperor, grants city privileges to Carlsbad which is subsequently named after him
1385 Portuguese Crisis of 1383–85: Battle of Aljubarrota – Portuguese forces commanded by King John I and his general Nuno Álvares Pereira defeat the Castilian army of King John I
1415 Henry the Navigator leads Portuguese forces to victory over the Marinids at the Battle of Ceuta
1592 Imjin War: At the Battle of Hansan Island, the Korean Navy, led by Yi Sun-sin and Won Kyun, decisively defeats the Japanese Navy, led by Wakisaka Yasuharu, at Hansan Island
1598 Nine Years' War: Battle of the Yellow Ford: Irish forces under Hugh O'Neill, Earl of Tyrone, defeat an English expeditionary force under Henry Bagenal
1720 The Spanish military Villasur expedition is wiped out by Pawnee and Otoe warriors near present-day Columbus, Nebraska
1816 The United Kingdom formally annexed the Tristan da Cunha archipelago, administering them from the Cape Colony in South Africa
1842 American Indian Wars: Second Seminole War ends, with the Seminoles forced from Florida to Oklahoma
1848 Oregon Territory is organized by act of Congress
1880 Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed
1885 Japan's first patent is issued to the inventor of a rust-proof paint
1888 An audio recording of English composer Arthur Sullivan's "The Lost Chord", one of the first recordings of music ever made, is played during a press conference introducing Thomas Edison's phonograph in London, England
1893 France becomes the first country to introduce motor vehicle registration
1897 Franco-Hova Wars: The town of Anosimena is captured by French troops from Menabe defenders in Madagascar
1900 The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China
1901 The first claimed powered flight, by Gustave Whitehead in his Number 21
1911 United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death
1912 U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier
1914 World War I: Start of the Battle of Lorraine, an unsuccessful French offensive designed to recover the lost province of Moselle from Germany
1916 Romania declares war on Austria-Hungary, joining the Entente in World War I
1921 Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia)
1933 Loggers cause a forest fire in the Coast Range of Oregon, later known as the first forest fire of the Tillamook Burn. It is extinguished on September 5, after destroying 240,000 acres (970 km2)
1935 Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired
1936 Rainey Bethea is hanged in Owensboro, Kentucky in the last public execution in the United States
1937 Chinese Air Force Day: The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Imperial Japanese Mitsubishi G3M bombers are shot down by the Nationalist Chinese Air Force while raiding Chinese air bases
1941 World War II: Winston Churchill and Franklin D. Roosevelt sign the Atlantic Charter of war stating postwar aims
1945 The Viet Minh launches August Revolution amid the political confusion and power vacuum engulfing Vietnam
1945 Japan accepts the Allied terms of surrender in World War II and the Emperor records the Imperial Rescript on Surrender (August 15 in Japan Standard Time)
1947 Pakistan gains Independence from the British Empire and joins the Commonwealth of Nations
1959 Founding and first official meeting of the American Football League
1967 UK Marine Broadcasting Offences Act declares participation in offshore pirate radio illegal
1969 Operation Banner: British troops are deployed in Northern Ireland
1971 Bahrain declares independence as the State of Bahrain
1972 An East German Ilyushin Il-62 crashes during takeoff from East Berlin, killing 156
1973 The Pakistan Constitution of 1973 comes into effect
1974 The second Turkish invasion of Cyprus begins; 140,000 to 200,000 Greek Cypriots become refugees. Around 6,000 massacred, 1,619 missing
1975 The Rocky Horror Picture Show, the longest-running release in film history, opens at the USA Theatre in Westwood, Los Angeles, California
1980 Lech Wałęsa leads strikes at the Gdańsk, Poland shipyards
1987 All the children held at Kia Lama, a rural property on Lake Eildon, Australia, run by the Santiniketan Park Association, are released after a police raid
1994 Ilich Ramírez Sánchez, also known as "Carlos the Jackal", is captured
1996 Greek Cypriot refugee Solomos Solomou is murdered by Turkish forces while trying to climb a flagpole in order to remove a Turkish flag from its mast in the United Nations Buffer Zone in Cyprus
2003 A widescale power blackout affects the northeast United States and Canada
2005 Helios Airways Flight 522, en route from Larnaca, Cyprus to Prague, Czech Republic via Athens, crashes in the hills near Grammatiko, Greece, killing 121 passengers and crew
2006 Chencholai bombing: Sixty-one Tamil girls are killed in Sri Lankan Air force bombing
2007 The Kahtaniya bombings kills at least 796 people
2010 The first-ever Youth Olympic Games are held in Singapore