On This Day — 23 April
2000s
2024
The 2024 Lumut mid-air collision in Malaysia kills 10 people while rehearsing for the 90th anniversary of the Royal Malaysian Navy.
2024 Lumut mid-air collision
2019
The April 2019 Hpakant jade mine collapse in Myanmar kills four miners and two rescuers, with at least 50 others missing and presumed dead.
April 2019 Hpakant jade mine collapse
2018
A vehicle-ramming attack kills 11 people and injures 15 in Toronto. A 25-year-old suspect, Alek Minassian, is arrested.
2018 Toronto van attack
2013
At least 111 people are killed and 233 injured as violence breaks out in Hawija, Iraq.
2013 Hawija clashes
2005
The first YouTube video, titled "Me at the zoo", is published by co-founder Jawed Karim.
YouTube
1900s
1999
NATO bombs the headquarters of Radio Television of Serbia, as part of their aerial campaign against the Federal Republic of Yugoslavia.
NATO
1993
Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.
Eritrea
1993
Sri Lankan politician Lalith Athulathmudali is assassinated while addressing a gathering, approximately four weeks ahead of the Provincial Council elections for the Western Province.
Sri Lanka
1990
Namibia becomes the 160th member of the United Nations and the 50th member of the Commonwealth of Nations.
Namibia
1985
Coca-Cola changes its formula and releases New Coke. The response is overwhelmingly negative, and the original formula is back on the market in less than three months.
Coca-Cola
1979
SAETA Flight 011 crashes in Pastaza Province, Ecuador, killing all 57 people on board. The wreckage was not discovered until 1984.
SAETA Flight 011 (1979)
1979
Blair Peach, a British activist, is fatally injured after being knocked unconscious during an Anti-Nazi League demonstration against a National Front election meeting in Southall, London.
Death of Blair Peach
1971
Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh).
Bangladesh Liberation War
1968
Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
Vietnam War
1967
Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1), a crewed spaceflight carrying cosmonaut Colonel Vladimir Komarov, is launched into orbit.
Soviet space program
1966
Aeroflot Flight 2723 crashes into the Caspian Sea off the Absheron Peninsula, killing 33 people.
Aeroflot Flight 2723
1961
During the Algiers putsch by French generals, President Charles de Gaulle announces he has assumed emergency powers, and calls on troops and civilians to support him.
Algiers putsch of 1961
1951
Cold War: American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia.
Cold War
1949
Chinese Civil War: Establishment of the People's Liberation Army Navy.
Chinese Civil War
1946
Manuel Roxas is elected the last President of the Commonwealth of the Philippines.
Manuel Roxas
1945
World War II: Adolf Hitler's designated successor, Hermann Göring, sends him a telegram asking permission to take leadership of Nazi Germany. Martin Bormann and Joseph Goebbels advise Göring that the telegram is treasonous.
Adolf Hitler
1942
World War II: Baedeker Blitz: German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.
Baedeker Blitz
1941
World War II: The Greek government and King George II evacuate Athens before the invading Wehrmacht.
World War II
1940
The Rhythm Club fire at a dance hall in Natchez, Mississippi, kills 198 people.
Rhythm Club fire
1935
The Polish Constitution of 1935 is adopted.
April Constitution of Poland
1927
Cardiff City defeat Arsenal in the FA Cup Final, the only time it has been won by a team not based in England.
Cardiff City F.C.
1920
The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
Grand National Assembly of Turkey
1919
The Estonian Constituent Assembly is held in Estonia, which marks the birth of the Estonian Parliament, the Riigikogu.
Estonian Constituent Assembly
1918
World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
World War I
1909
In Portugal, a magnitude 6.0 earthquake strikes near Lisbon, killing at least 60 people and injuring 75.
1909 Benavente earthquake
1800s
1891
Chilean Civil War: The ironclad Blanco Encalada is sunk at Caldera Bay by torpedo boats.
Chilean Civil War of 1891
1879
Fire burns down the second main building and dome of the University of Notre Dame, which prompts the construction of the third, and current, Main Building with its golden dome.
University of Notre Dame
1815
The Second Serbian Uprising: A second phase of the national revolution of the Serbs against the Ottoman Empire, erupts shortly after the annexation of the country to the Ottoman Empire.
Second Serbian Uprising
Before 1800
1724
Johann Sebastian Bach leads the first performance of his cantata Du Hirte Israel, höre, BWV 104, illustrating the topic of the Good Shepherd in pastoral music.
Johann Sebastian Bach
1661
King Charles II of England, Scotland and Ireland is crowned in Westminster Abbey.
Charles II of England
1660
Treaty of Oliva is established between Sweden and Poland.
Treaty of Oliva
1655
The Siege of Santo Domingo begins during the Anglo-Spanish War, and fails seven days later.
Siege of Santo Domingo (1655)
1635
The first public school in the United States, the Boston Latin School, is founded.
Boston Latin School
1521
Battle of Villalar: King Charles I of Spain defeats the Comuneros.
Battle of Villalar
1516
The Munich Reinheitsgebot (regarding the ingredients of beer) takes effect in all of Bavaria.
Reinheitsgebot
1500
Portuguese explorer Pedro Alvarez Cabral reaches new coastline (Brazil).
Pedro Álvares Cabral
1348
The founding of the Order of the Garter by King Edward III is announced on St. George's Day.
Order of the Garter
1343
St. George's Night Uprising commences in the Duchy of Estonia.
Saint George's Night Uprising
1016
Edmund Ironside succeeds his father Æthelred the Unready as King of England.
Edmund Ironside
1014
Battle of Clontarf: High King of Ireland Brian Boru defeats Viking invaders, but is killed in battle.
Battle of Clontarf
711
Dagobert III succeeds his father King Childebert III as King of the Franks.
AD 711
599
Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in southern Mexico, defeating queen Yohl Ik'nal and sacking the city.
599
-215
A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene.
Temple of Venus Erycina (Capitoline Hill)