📅 On This Day in History

What Happened on March 20th in History

30 historical events on this date

1921

The Upper Silesia plebiscite, mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland, is held.

The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty and carried out on 20 March 1921 to determine ownership of the province of Upper Silesia between Weimar Germany and...

1922

The USS Langley is commissioned as the first United States Navy aircraft carrier.

USS Langley (CV-1/AV-3) was the United States Navy's first aircraft carrier, converted in 1920 from the collier USS Jupiter , and also the US Navy's first turbo-electric-powered ship. Langley was...

1923

The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.

Arts Club of Chicago is a private club and public exhibition space located in the Near North Side community area of Chicago, a block east of the Magnificent Mile, that exhibits international...

1926

Chiang Kai-shek initiates a purge of communist elements within the National Revolutionary Army in Guangzhou.

Chiang Kai-shek was a Chinese military commander, revolutionary, and statesman who was President of the Republic of China from 1948 to 1975 and head of the Nationalist government from 1925 to 1948....

1933

Reichsführer-SS Heinrich Himmler orders the creation of Dachau concentration camp as Chief of Police of Munich and appoints Theodor Eicke as the camp commandant.

Heinrich Luitpold Himmler was a German Nazi politician and military leader. He was the 4th Reichsführer of the Schutzstaffel from 1929 to 1945. He was a leading member of the Nazi Party, and one of...

1942

World War II: General Douglas MacArthur, at Terowie, South Australia, makes his famous speech regarding the fall of the Philippines, in which he says: "I came out of Bataan and I shall return".

World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated. Tanks and aircraft played major...

1948

With a Musicians Union ban lifted, the first telecasts of classical music in the United States, under Eugene Ormandy and Arturo Toscanini, are given on CBS and NBC.

The American Federation of Musicians of the United States and Canada (AFM/AFofM) is a 501(c)(5) labor union representing professional instrumental musicians in the United States and Canada. The AFM,...

1951

Fujiyoshida, a city located in Yamanashi Prefecture, Japan, in the center of the Japanese main island of Honshū is founded.

Fujiyoshida is a city located in Yamanashi Prefecture, Japan. As of 1 May 2019, the city had an estimated population of 48,782 in 19,806 households and a population density of 400 persons per km2....

1952

The US Senate ratifies the Security Treaty between the United States and Japan.

The Security Treaty between the United States and Japan was a treaty signed on 8 September 1951 in San Francisco, California by representatives of the United States and Japan, in conjunction with...

1956

Tunisia gains independence from France.

Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean...

1964

The precursor of the European Space Agency, ESRO (European Space Research Organisation) is established per an agreement signed on June 14, 1962.

The European Space Agency is a 23-member international organisation devoted to space exploration. It has its headquarters in Paris and a staff of around 3,000 people globally as of 2025. ESA was...

1969

A United Arab Airlines (now Egyptair) Ilyushin Il-18 crashes at Aswan International Airport, killing 100 people.

EgyptAir is the state-owned flag carrier of Egypt. The airline is headquartered at Cairo International Airport, its main hub, operating scheduled passenger and freight services to 81 destinations in...

1972

The Troubles: The first car bombing by the Provisional IRA in Belfast kills seven people and injures 148 others in Northern Ireland.

The Troubles were an ethno-nationalist conflict in Northern Ireland that lasted for about 30 years from the late 1960s to 1998. Also known internationally as the Northern Ireland conflict, it began...

1985

Libby Riddles becomes the first woman to win the 1,135-mile Iditarod Trail Sled Dog Race.

Liberty Clarissa "Libby" Riddles is an American dog musher, and the first woman to win the Iditarod Trail Sled Dog Race.

1987

The Food and Drug Administration approves the anti-AIDS drug, AZT.

The Food and Drug Administration (FDA) is a federal agency of the United States Department of Health and Human Services (HHS). The FDA is responsible for protecting and promoting public health...

1988

Eritrean War of Independence: Having defeated the Nadew Command, the Eritrean People's Liberation Front enters the town of Afabet, victoriously concluding the Battle of Afabet.

The Eritrean War of Independence was an armed conflict and insurgency aimed at achieving self-determination and independence for Eritrea from Ethiopian rule. Starting in 1961, Eritrean insurgents...

1990

Ferdinand Marcos's widow, Imelda Marcos, goes on trial for bribery, embezzlement, and racketeering.

Ferdinand Emmanuel Edralin Marcos Sr. was a Filipino lawyer, dictator, and kleptocrat who served as the tenth president of the Philippines from 1965 to 1986. From 1972 to 1981, Marcos ruled the...

1993

The Troubles: A Provisional IRA bomb kills two children in Warrington, England. It leads to mass protests in both Britain and Ireland.

The Troubles were an ethno-nationalist conflict in Northern Ireland that lasted for about 30 years from the late 1960s to 1998. Also known internationally as the Northern Ireland conflict, it began...

1995

The Japanese cult Aum Shinrikyo carries out a sarin gas attack on the Tokyo subway, killing 14 and wounding over 6,200 people.

Aleph , better known by their former name Aum Shinrikyo , is a Japanese new religious movement and doomsday cult founded by Shoko Asahara in 1987. It carried out the deadly Tokyo subway sarin attack...

1999

Legoland California, the first Legoland outside of Europe, opens in Carlsbad, California, US.

Legoland California Resort is a theme park in Carlsbad, California, United States, about 35 miles north of San Diego. Opening on March 20, 1999, it was the first Legoland park to open outside of...

2000

Jamil Abdullah Al-Amin, a former Black Panther once known as H. Rap Brown, is captured after murdering Georgia sheriff's deputy Ricky Kinchen and critically wounding Deputy Aldranon English.

The Black Panther Party was an American Marxist–Leninist and black power political and militant organization founded by college students Huey P. Newton and Bobby Seale in October 1966 in Oakland,...

2003

Iraq War: The United States, the United Kingdom, Australia, and Poland begin an invasion of Iraq.

The Iraq War, also referred to as the Second Gulf War, was a protracted armed conflict in Iraq from 2003 to 2011. It began with the invasion by a United States–led coalition, which resulted in the...

2006

Over 150 Chadian soldiers are killed in eastern Chad by members of the rebel UFDC. The rebel movement sought to overthrow Chadian president Idriss Déby.

The Chadian National Army consists of the five Defence and Security Forces listed in Article 185 of the Chadian Constitution that came into effect on 4 May 2018. These are the National Army, the...

2010

Eyjafjallajökull in Iceland begins eruptions that would last for three months, heavily disrupting air travel in Europe.

Eyjafjallajökull, sometimes referred to by the numeronym E15, is one of the smaller ice caps of Iceland, north of Skógar and west of Mýrdalsjökull. The ice cap covers the caldera of a volcano with a...

2012

At least 52 people are killed and more than 250 injured in a wave of terror attacks across ten cities in Iraq.

The 20 March 2012 Iraq attacks were the sixth simultaneous wave of bombings to hit Iraq during the insurgency and the second such major assault since the US withdrawal at the end of 2011. At least...

2014

Four suspected Taliban members attack the Kabul Serena Hotel, killing at least nine people.

The Taliban, officially known as the Islamic Movement of Taliban, also referring to themselves by their state name, the Islamic Emirate of Afghanistan, is the Afghan ruling government, as well as a...

2015

A solar eclipse, equinox, and a supermoon all occur on the same day.

A total solar eclipse occurred at the Moon's descending node of orbit on Friday, March 20, 2015, with a magnitude of 1.0445. A solar eclipse occurs when the Moon passes between Earth and the Sun,...

2015

Syrian civil war: The Siege of Kobanî is broken by the People's Protection Units (YPG) and Free Syrian Army (FSA), marking a turning point in the Rojava–Islamist conflict.

The Syrian civil war was an armed conflict that began with the Syrian revolution in March 2011, when popular discontent with the Ba'athist regime ruled by Bashar al-Assad triggered large-scale...

2019

Kassym-Jomart Tokayev is sworn in as acting president of Kazakhstan, following the resignation of long-time president Nursultan Nazarbayev.

Kassym-Jomart Kemeluly Tokayev is a Kazakh politician and diplomat who has served as the second president of Kazakhstan since 2019. He previously served as Prime Minister from 1999 to 2002 and as...

2021

La Plume noire, an anarchist bookstore in Lyon, is targeted by an attack of the far-right, provoking a shock in Lyon's far-left circles.

La Plume noire is an anarchist bookstore and publishing house located at 8 Rue Diderot in Lyon, France. Frequently targeted by Lyon's far-right movement, it serves as a gathering point for the...