What happened today in history
What happened on August 20
On August 20 history recorded 62 notable events. 160 people who left a mark were born on this day, and 110 died. Here is the full almanac.
- 62events
- 160births
- 110deaths
- 17observances
Highlights
Highlights
Byzantine–Bulgarian wars: Bulgarian forces led by Tsar Simeon I drove the Byzantines out of Thrace with a decisive victory at the Battle of Achelous.
The Byzantine–Bulgarian wars were a series of conflicts fought between the Byzantine Empire and the Bulgarian Empire which began already in the late 5th century when the Bulgars defeated a 15.000 Roman army led by Magister Aristus. The Bulgars permanently conq
The first Siege of Pensacola came to an end with the British and Creek abandoning their attempt to capture Pensacola in Spanish Florida.
The siege of Pensacola included two separate attempts in 1707 by English-supported Creek Indians to capture the town and fortress of Pensacola, one of two major settlements in Spanish Florida.
War of the Spanish Succession: A Spanish Bourbon army commanded by the Marquis de Bay was soundly defeated by a multinational army led by the Austrian commander Guido Starhemberg.
The War of the Spanish Succession was a conflict between the European great powers, fought between 1701 and 1714. The death of the childless Charles II of Spain in November 1700 led to a succession crisis, the rival claimants being Philip of Anjou, grandson of
August 20
On this day
I century
- 14
14Agrippa Postumus, maternal grandson of the late Roman emperor Augustus, is executed by his guards while in exile.
VII century
X century
XI century
XII century
- 1119
1119King Henry I of England defeats king Louis VI of France in the battle of Brémule. - 1191
1191Believing Saladin had reneged on ransom promises, Richard I of England initiates the massacre at Ayyadieh, beheading 2,700 captive Muslim soldiers and another 300 women and children seized at the Fall of Acre.
XIV century
XV century
XVI century
XVII century
XVIII century
- 1707
1707The first Siege of Pensacola comes to an end with the failure of the British to capture Pensacola, Florida. - 1710
1710War of the Spanish Succession: A multinational army led by the Austrian commander Guido Starhemberg defeats the Spanish-Bourbon army commanded by Alexandre Maître, Marquis de Bay in the Battle of Saragossa. - 1775
1775The Spanish establish the Presidio San Augustin del Tucson in the town that became Tucson, Arizona. - 1794
1794Northwest Indian War: United States troops force a confederacy of Shawnee, Mingo, Delaware, Wyandot, Miami, Ottawa, Chippewa, and Potawatomi warriors into a disorganized retreat at the Battle of Fallen Timbers.
XIX century
- 1852
1852Steamboat Atlantic sinks on Lake Erie after a collision, with the loss of at least 150 lives. - 1858
1858Charles Darwin first publishes his theory of evolution through natural selection in The Journal of the Proceedings of the Linnean Society of London, alongside Alfred Russel Wallace's same theory. - 1864
1864Bakumatsu: Kinmon incident: The Chōshū Domain attempts to expel the Satsuma and Aizu Domains from Japan's imperial court. - 1866
1866President Andrew Johnson formally declares the American Civil War over. - 1882
1882Tchaikovsky's 1812 Overture debuts in Moscow, Russia.
XX century
- 1905
1905Sun Yat-sen, Song Jiaoren, and others establish the Tongmenghui, a Republican, anti-Qing revolutionary organisation, in Tokyo, Japan. - 1910
1910Extreme fire weather in the Inland Northwest of the United States causes many small wildfires to coalesce into the Great Fire of 1910, burning approximately 3 million acres (12,000 km2) and killing 87 people. - 1914
1914World War I: Brussels is captured during the German invasion of Belgium. - 1920
1920The first commercial radio station, 8MK (now WWJ), begins operations in Detroit. - 1920
1920The National Football League is organized as the American Professional Football Conference in Canton, Ohio. - 1926
1926Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established. - 1940
1940In Mexico City, exiled Russian revolutionary Leon Trotsky is fatally wounded with an ice axe by Ramón Mercader. He dies the next day. - 1940
1940World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few". - 1940
1940World War II: The Eighth Route Army launches the Hundred Regiments Offensive, a successful campaign to disrupt Japanese war infrastructure and logistics in occupied northern China. - 1944
1944World War II: One hundred sixty-eight captured allied airmen, including Phil Lamason, accused by the Gestapo of being "terror fliers", arrive at Buchenwald concentration camp. - 1944
1944World War II: The Battle of Romania begins with a major Soviet Union offensive. - 1948
1948Soviet Consul General in New York, Jacob M. Lomakin is expelled by the United States, due to the Kasenkina Case. - 1949
1949Hungary adopts the Hungarian Constitution of 1949 and becomes a People's Republic. - 1955
1955Battle of Philippeville: In Algeria, a force of Berbers from the Atlas Mountains region of Algeria raid two rural settlements and kill 77 French nationals. - 1960
1960Senegal breaks from the Mali Federation, declaring its independence. - 1962
1962The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage. - 1968
1968Cold War: Warsaw Pact troops invade Czechoslovakia, crushing the Prague Spring. East German participation is limited to a few specialists due to memories of the recent war. Only Albania and Romania refuse to participate. - 1975
1975Viking program: NASA launches the Viking 1 planetary probe toward Mars. - 1975
1975ČSA Flight 540 crashes on approach to Damascus International Airport in Damascus, Syria, killing 126 people. - 1977
1977Voyager program: NASA launches the Voyager 2 spacecraft. - 1986
1986In Edmond, Oklahoma, U.S. Postal employee Patrick Sherrill shoots and kills 14 of his co-workers and then commits suicide. - 1988
1988"Black Saturday" of the Yellowstone fire in Yellowstone National Park. - 1988
1988Iran–Iraq War: A ceasefire is agreed after almost eight years of war. - 1988
1988The Troubles: Eight British soldiers are killed and 28 wounded when their bus is hit by an IRA roadside bomb in Ballygawley, County Tyrone. - 1989
1989The pleasure boat Marchioness sinks on the River Thames following a collision. Fifty-one people are killed. - 1991
1991Dissolution of the Soviet Union, August Coup: More than 100,000 people rally outside the Soviet Union's parliament building protesting the coup aiming to depose President Mikhail Gorbachev. - 1991
1991Estonia, occupied by and incorporated into the Soviet Union in 1940, issues a decision on the re-establishment of independence on the basis of legal continuity of its pre-occupation statehood. - 1992
1992In India, Meitei language (officially known as Manipuri language) is included in the scheduled languages' list and made one of the official languages of the Indian Government. - 1995
1995The Firozabad rail disaster kills 358 people in Firozabad, India. - 1997
1997Souhane massacre in Algeria; over 60 people are killed and 15 kidnapped. - 1998
1998The Supreme Court of Canada rules that Quebec cannot legally secede from Canada without the federal government's approval. - 1998
1998U.S. embassy bombings: The United States launches cruise missile attacks against alleged al-Qaeda camps in Afghanistan and a suspected chemical weapons plant in Sudan in retaliation for the August 7 bombings of American embassies in Kenya and Tanzania.
XXI century
- 2002
2002A group of Iraqis opposed to the regime of Saddam Hussein take over the Iraqi embassy in Berlin, Germany for five hours before releasing their hostages and surrendering. - 2006
2006Sri Lankan Civil War: Sri Lankan Tamil politician and former MP S. Sivamaharajah is shot dead at his home in Tellippalai. - 2007
2007China Airlines Flight 120 catches fire and explodes after landing at Naha Airport in Okinawa, Japan. - 2008
2008Spanair Flight 5022, from Madrid, Spain to Gran Canaria, skids off the runway and crashes at Barajas Airport. Of the 172 people on board, 146 die immediately, and eight more later die of injuries sustained in the crash. - 2011
2011First Air Flight 6560 crashes 1 mile (1.6 km) from the Resolute Bay runway, killing 12 of the 15 aboard. - 2012
2012A prison riot in the Venezuelan capital, Caracas, kills at least 20 people. - 2014
2014Seventy-two people are killed in Japan's Hiroshima Prefecture by a series of landslides caused by a month's worth of rain that fell in one day. - 2016
2016Fifty-four people are killed when a suicide bomber detonates himself at a Kurdish wedding party in Gaziantep, Turkey. - 2020
2020Joe Biden gives his acceptance speech virtually for the 2020 Democratic presidential nomination at the 2020 Democratic National Convention.
Best known
Born on August 20
Best known
Died on August 20
Eadberht of Northumbria
King of Northumbria
Bernard of Clairvaux
Burgundian saint, abbot and theologian
Rögnvald Kali Kolsson
Norwegian earl of Orkney (c. 1100–1158)
Laurence Hastings, 1st Earl of Pembroke
English nobleman
Geert Groote
Dutch Renaissance humanist and mystic
Bo Jonsson (Grip)
Swedish nobleman (died 1386)
Holidays and observances
- Christian feast day: Amadour
- Christian feast day: Bernard of Clairvaux
- Christian feast day: Blessed Georg Häfner
- Christian feast day: Heliodorus of Bet Zabdai
- Christian feast day: Maria De Mattias
- Christian feast day: Oswine of Deira
- Christian feast day: Philibert of Jumièges
- Christian feast day: Samuel (prophet)
- Christian feast day: William and Catherine Booth (Church of England)
- Christian feast day: August 20 (Eastern Orthodox liturgics)
- Feast of Asmá’ (Baháʼí Faith, only if Baháʼí Naw-Rúz falls on March 21)
- Indian Akshay Urja Day (India)
- Independence Restoration Day (Estonia), re-declaration of the independence of Estonia from the Soviet Union in 1991.
- Meitei Language Day, also known as Manipuri Language Day, the day on which Meitei (Manipuri) was included in the scheduled languages' list and made one of the official languages of India.
Frequently asked questions
What happened on August 20?
62 documented historical events happened on August 20, from antiquity to the present day. The best known is this: Byzantine–Bulgarian wars: Bulgarian forces led by Tsar Simeon I drove the Byzantines out of Thrace with a decisive victory at the Battle of Achelous. On the same day, in another year: The first Siege of Pensacola came to an end with the British and Creek abandoning their attempt to capture Pensacola in Spanish Florida. On Almanaccolo every event is listed in chronological order, grouped by century, and links to the Wikipedia article it comes from, so you can always read further or check the source. Alongside the events you find who was born and who died on this date, and which observances are celebrated around the world.
Who was born on August 20?
160 people with a Wikipedia article were born on August 20, including Ron Paul, Hideki Shirakawa, Stelvio Cipriani. The list spans every era and every field — art, science, politics, sport, entertainment — ordered by year of birth, from the earliest to the most recent. The six featured people are those most has been written about: the ordering uses the length of their Wikipedia article as an indicator of prominence. For each one you find their occupation, year of birth and a link to the full biography.
Who died on August 20?
110 people with a Wikipedia article died on August 20, including Eadberht of Northumbria, Bernard of Clairvaux, Rögnvald Kali Kolsson. The list is in chronological order by year of death and spans all of documented history, from antiquity to the present day. For each person you find their occupation, the year and a link to the Wikipedia biography, where the full story and its sources can be read.
What is celebrated on August 20?
17 observances are celebrated on August 20 around the world: Christian feast day: Amadour, Christian feast day: Bernard of Clairvaux, Christian feast day: Blessed Georg Häfner, Christian feast day: Heliodorus of Bet Zabdai, Christian feast day: Maria De Mattias, Christian feast day: Oswine of Deira. The list gathers national holidays, international days and religious or civil observances falling on this date in different countries, as recorded on Wikipedia. Some are fixed and recur on the same day every year; others depend on the local calendar. Each links to the article explaining its origin and meaning.
Keep exploring
Free app
Every day’s history, in your pocket
Almanaccolo greets you each morning with the almanac of the day, sunrise and sunset times and your saved events.
- Today’s almanac, every morning
- Save the events that strike you
- Sunrise, sunset and weather for your city
- Free, no account required

Source: Wikipedia · Calendar