On This Day — 21 August
2000s
2017
A solar eclipse traverses the continental United States.
Solar eclipse of August 21, 2017
2013
Hundreds of people are reported killed by chemical attacks in the Ghouta region of Syria.
Ghouta chemical attack
2000
American golfer Tiger Woods wins the 82nd PGA Championship and becomes the first golfer since Ben Hogan in 1953 to win three majors in a calendar year.
Tiger Woods
1900s
1995
Atlantic Southeast Airlines Flight 529, an Embraer EMB 120 Brasilia, attempts to divert to West Georgia Regional Airport after the left engine fails, but the aircraft crashes in Carroll County near Carrollton, Georgia, killing nine of the 29 people on board.
Atlantic Southeast Airlines Flight 529
1994
Royal Air Maroc Flight 630 crashes in Douar Izounine, Morocco, killing all 44 people on board.
Royal Air Maroc Flight 630
1993
NASA loses contact with the Mars Observer spacecraft.
NASA
1991
Latvia declares renewal of its full independence after its occupation by the Soviet Union since 1940.
Latvia
1991
Coup attempt against Mikhail Gorbachev collapses.
1991 Soviet coup attempt
1988
The 6.9 Mw Nepal earthquake shakes the Nepal–India border with a maximum Mercalli intensity of VIII (Severe), leaving 709–1,450 people killed and thousands injured.
1988 Nepal earthquake
1986
Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometre (12 mi) range.
Volcano
1983
Philippine opposition leader Benigno Aquino Jr. is assassinated at Manila International Airport (now renamed Ninoy Aquino International Airport in his honor).
Ninoy Aquino
1982
Lebanese Civil War: The first troops of a multinational force lands in Beirut to oversee the Palestine Liberation Organization's withdrawal from Lebanon.
Lebanese Civil War
1971
A bomb exploded in the Liberal Party campaign rally in Plaza Miranda, Manila, Philippines with several anti-Marcos political candidates injured.
Liberal Party (Philippines)
1968
Cold War: Nicolae Ceaușescu, leader of the Socialist Republic of Romania, publicly condemns the Soviet-led Warsaw Pact invasion of Czechoslovakia, encouraging the Romanian population to arm itself against possible Soviet reprisals.
Cold War
1968
James Anderson Jr. posthumously receives the first Medal of Honor to be awarded to an African American U.S. Marine.
James Anderson Jr.
1965
The Socialist Republic of Romania is proclaimed, following the adoption of a new constitution.
Socialist Republic of Romania
1963
Xá Lợi Pagoda raids: The Army of the Republic of Vietnam Special Forces loyal to Ngô Đình Nhu, brother of President Ngo Dinh Diem, vandalizes Buddhist pagodas across the country, arresting thousands and leaving an estimated hundreds dead.
Xá Lợi Pagoda raids
1959
United States President Dwight D. Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union. Hawaii's admission is currently commemorated by Hawaii Admission Day.
President of the United States
1957
The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
Soviet Union
1945
Physicist Harry Daghlian is fatally irradiated in a criticality accident during an experiment with the Demon core at Los Alamos National Laboratory.
Harry Daghlian
1944
Dumbarton Oaks Conference, prelude to the United Nations, begins.
Dumbarton Oaks Conference
1944
World War II: Canadian and Polish units capture the strategically important town of Falaise, Calvados, France.
Operation Tractable
1942
World War II: The Guadalcanal campaign: American forces defeat an attack by Imperial Japanese Army soldiers in the Battle of the Tenaru.
World War II
1918
World War I: The Second Battle of the Somme begins.
Second Battle of the Somme
1914
World War I: The Battle of Charleroi, a successful German attack across the River Sambre that pre-empted a French offensive in the same area.
World War I
1911
The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
Mona Lisa
1901
Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
Thomasites
1800s
1888
The first successful adding machine in the United States is patented by William Seward Burroughs.
Adding machine
1883
An F5 tornado strikes Rochester, Minnesota, leading to the creation of the Mayo Clinic.
1883 Rochester tornado
1879
The locals of Knock, County Mayo, Ireland report their having seen an apparition of the Virgin Mary. The apparition is later named "Our Lady of Knock" and the spot transformed into a Catholic pilgrimage site.
Knock, County Mayo
1878
The American Bar Association is founded in Saratoga Springs, New York.
American Bar Association
1863
Lawrence, Kansas is destroyed by pro-Confederate guerrillas known as Quantrill's Raiders.
Lawrence, Kansas
1862
The Stadtpark, the first public park in Vienna, opens to the public.
Stadtpark, Vienna
1858
The first of the Lincoln–Douglas debates is held in Ottawa, Illinois.
Lincoln–Douglas debates
1852
Tlingit Indians destroy Fort Selkirk, Yukon Territory.
Tlingit
1831
Nat Turner leads black slaves and free blacks in a rebellion in Southampton County, Virginia, which will claim the lives of 55 to 65 whites and about twice that number of blacks.
Nat Turner
1821
Jarvis Island is discovered by the crew of the ship, Eliza Frances.
Jarvis Island
1810
Jean-Baptiste Bernadotte, Marshal of France, is elected Crown Prince of Sweden by the Swedish Riksdag of the Estates.
Charles XIV John
1808
Battle of Vimeiro: British and Portuguese forces led by General Arthur Wellesley defeat French force under Major-General Jean-Andoche Junot near the village of Vimeiro, Portugal, the first Anglo-Portuguese victory of the Peninsular War.
Battle of Vimeiro
Before 1800
1791
Enslaved Africans in Saint-Domingue, led by Dutty Boukman, held a Vodou ceremony that became a pivotal act of resistance. This gathering sparked a mass uprising against slavery, marking the beginning of the Haitian Revolution.
Saint-Domingue
1778
American Revolutionary War: British forces begin besieging the French outpost at Pondichéry.
American Revolutionary War
1772
King Gustav III completes his coup d'état by adopting a new Constitution, ending half a century of parliamentary rule in Sweden and installing himself as an enlightened despot.
Gustav III
1770
James Cook formally claims eastern Australia for Great Britain, naming it New South Wales.
James Cook
1716
Seventh Ottoman–Venetian War: The arrival of naval reinforcements and the news of the Battle of Petrovaradin force the Ottomans to abandon the Siege of Corfu, thus preserving the Ionian Islands under Venetian rule.
Ottoman–Venetian War (1714–1718)
1689
The Battle of Dunkeld in Scotland.
Battle of Dunkeld
1680
Pueblo Indians capture Santa Fe from the Spanish during the Pueblo Revolt.
Pueblo peoples
1415
Henry the Navigator leads Portuguese forces to victory over the Marinids at the Conquest of Ceuta.
Prince Henry the Navigator
1331
King Stefan Uroš III, after months of anarchy, surrenders to his son and rival Stefan Dušan, who succeeds as King of Serbia.
Stefan Dečanski
1192
Minamoto no Yoritomo becomes Sei-i Taishōgun and the de facto ruler of Japan. (Traditional Japanese date: the 12th day of the seventh month in the third year of the Kenkyū (建久) era).
Minamoto no Yoritomo
1169
Battle of the Blacks: Uprising by the black African forces of the Fatimid army, along with a number of Egyptian emirs and commoners, against Saladin.
Battle of the Blacks
1140
Song dynasty general Yue Fei defeats an army led by Jin dynasty general Wuzhu at the Battle of Yancheng during the Jin–Song Wars.
Song dynasty
959
Eraclus becomes the 25th bishop of Liège.
Eraclus