Unknown perpetrators carried out a series of four bombings in Dnipropetrovsk, Ukraine.
The Airbus A380, the world's largest passenger airliner, made its maiden flight from Toulouse, France.
The black-ball final, one of the most famous snooker matches in history, began between Steve Davis and Dennis Taylor (pictured).
The Expo 67 world's fair opened in Montreal, with 62 nations participating and more than 50 million visitors ultimately attending.
Indonesia–Malaysia confrontation: British forces repelled a surprise Indonesian attack on a base at Plaman Mapu in Sarawak.
Prime Minister Milton Margai led the Sierra Leone Colony and Protectorate to independence from the United Kingdom.
In response to the treatment of Lorenzo Gamboa under the White Australia policy, the Philippine House of Representatives passed a bill banning Australians from the country.
World War II: The photograph Raising the Flag on the Three-Country Cairn (pictured) was taken after German troops withdrew to Norway at the end of the Lapland War.
Chris Watson became the first prime minister of Australia from the Australian Labor Party.
The French National Assembly under Victor Schœlcher proclaims the abolition of slavery within France and it's colonies following the February Revolution.
Ludwig van Beethoven composed his Bagatelle No. 25 in A minor, better known as "Für Elise", one of his most popular compositions.
American Revolutionary War: British Army regulars defeated Patriot militias in the Battle of Ridgefield, galvanizing resistance in the Connecticut Colony.
Wars of the Three Kingdoms: Covenanter forces defeated the Royalists at the Battle of Carbisdale near the village of Culrain, Scotland.
Four Years' War: The combined forces of Spain and the Papal States defeated a French and Venetian army at the Battle of Bicocca.
Filipino natives led by chieftain Lapulapu killed Portuguese explorer Ferdinand Magellan at the Battle of Mactan.
Shahrbaraz usurped the throne of the Sasanian Empire from Ardashir III, but was himself killed six weeks later.
Aelia Eudoxia married Byzantine emperor Arcadius without the knowledge or consent of Rufinus, the Praetorian prefect who had intended for his own daughter to wed the emperor.
The Panmunjom Declaration is signed between North and South Korea, officially declaring their intentions to end the Korean conflict.
At least four explosions hit the Ukrainian city of Dnipropetrovsk with at least 27 people injured.
The 2011 Super Outbreak devastates parts of the Southeastern United States, especially the states of Alabama, Mississippi, Georgia, and Tennessee. Two hundred five tornadoes touched down on April 27 alone, killing more than 300 and injuring hundreds more.
Estonian authorities remove the Bronze Soldier, a Soviet Red Army war memorial in Tallinn, amid political controversy with Russia.
Israeli archaeologists discover the tomb of Herod the Great south of Jerusalem.
Construction begins on the Freedom Tower (later renamed One World Trade Center) in New York City.
Airbus A380 aircraft has its maiden test flight.
South African general election: The first democratic general election in South Africa, in which black citizens could vote. The Interim Constitution comes into force.
Most of the Zambia national football team lose their lives in a plane crash off Libreville, Gabon en route to Dakar, Senegal to play a 1994 FIFA World Cup qualifying match against Senegal.
The Federal Republic of Yugoslavia, comprising Serbia and Montenegro, is proclaimed.
Betty Boothroyd becomes the first woman to be elected Speaker of the British House of Commons in its 700-year history.
The Russian Federation and 12 other former Soviet republics become members of the International Monetary Fund and the World Bank.
The April 27 demonstrations, student-led protests responding to the April 26 Editorial, during the Tiananmen Square protests of 1989.
The U.S. Department of Justice bars Austrian President Kurt Waldheim (and his wife, Elisabeth, who had also been a Nazi) from entering the US, charging that he had aided in the deportations and executions of thousands of Jews and others as a German Army officer during World War II.
The city of Pripyat and surrounding areas are evacuated due to the Chernobyl disaster.
John Ehrlichman, a former aide to U.S. President Richard Nixon, is released from the Federal Correctional Institution, Safford, Arizona, after serving 18 months for Watergate-related crimes.
The Saur Revolution begins in Afghanistan, ending the following morning with the murder of Afghan President Mohammed Daoud Khan and the establishment of the Democratic Republic of Afghanistan.
Willow Island disaster: In the deadliest construction accident in United States history, 51 construction workers are killed when a cooling tower under construction collapses at the Pleasants Power Station in Willow Island, West Virginia.
Thirty-seven people are killed when American Airlines Flight 625 crashes at Cyril E. King Airport in Saint Thomas, U.S. Virgin Islands.
109 people are killed in a plane crash near Pulkovo Airport.
Expo 67 officially opens in Montreal, Quebec, Canada with a large opening ceremony broadcast around the world. It opens to the public the next day.
Operation Moolah offers $50,000 to any pilot who defects with a fully mission-capable Mikoyan-Gurevich MiG-15 to South Korea. The first pilot was to receive $100,000.
World War II: The last German formations withdraw from Finland to Norway. The Lapland War and thus, World War II in Finland, comes to an end and the Raising the Flag on the Three-Country Cairn photograph is taken.
World War II: Benito Mussolini is arrested by Italian partisans in Dongo, while attempting escape disguised as a German soldier.
World War II: German troops enter Athens.
The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.
Carabineros de Chile (Chilean national police force and gendarmerie) are created.
The Second Canton Uprising took place in Guangzhou, Qing China but was suppressed.
Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
The State Duma of the Russian Empire meets for the first time.
American President Abraham Lincoln suspends the writ of habeas corpus.
War of 1812: American troops capture York, the capital of Upper Canada, in the Battle of York.
First Barbary War: United States Marines and Berbers attack the Tripolitan city of Derna (The "shores of Tripoli" in the Marines' Hymn).
Blind and impoverished, John Milton sells Paradise Lost to a printer for £10, so that it could be entered into the Stationers' Register.
The Battle of Carbisdale: A Royalist army from Orkney invades mainland Scotland but is defeated by a Covenanter army.
The relics of Saint Sava are incinerated in Belgrade on the Vračar plateau by Ottoman Grand Vizier Sinan Pasha; the site of the incineration is now the location of the Church of Saint Sava, one of the largest Orthodox churches in the world
Cebu is established becoming the first Spanish settlement in the Philippines.
Official founding of the city of Bogotá, New Granada (nowadays Colombia), by Nikolaus Federmann and Sebastián de Belalcázar.
Battle of Mactan: Explorer Ferdinand Magellan is killed by natives in the Philippines led by chief Lapulapu.
Pope Julius II places the Italian state of Venice under interdict.
First War of Scottish Independence: John Balliol's Scottish army is defeated by an English army commanded by John de Warenne, 6th Earl of Surrey at the Battle of Dunbar.
Islamic conquest of Hispania: Moorish troops led by Tariq ibn Ziyad land at Gibraltar to begin their invasion of the Iberian Peninsula (Al-Andalus).
Emperor Arcadius marries Aelia Eudoxia, daughter of the Frankish general Flavius Bauto. She becomes one of the more powerful Roman empresses of Late Antiquity.
Philip the Arab marks the millennium of Rome with a celebration of the ludi saeculares.
Mathys Tel, French footballer
Arch Manning, American football player
Xavier Worthy, American football player
Anthony Elanga, Swedish footballer
Peter Hola, Australian rugby league player
Cristian Romero, Argentine footballer
Jesse Ramien, Australian rugby league player
Nick Kyrgios, Australian tennis player
Corey Seager, American baseball player
Keenan Allen, American football player
Lara Gut, Swiss skier
Austin Dillon, American race car driver
Lars Bender, German footballer
Sven Bender, German footballer
Lizzo, American singer and rapper
Semyon Varlamov, Russian ice hockey player
Taylor Chorney, American ice hockey player
William Moseley, English actor
Wang Feifei, Chinese singer and actress
Jenna Coleman, English actress
Dinara Safina, Russian tennis player
Meselech Melkamu, Ethiopian runner
Pierre-Marc Bouchard, Canadian ice hockey player
Daniel Holdsworth, Australian rugby league player
Patrick Stump, American musician, singer, and songwriter
Ari Graynor, American actress and producer
Sybille Bammer, Austrian tennis player
Christian Lara, Ecuadorian footballer
Vladimir Kozlov, Ukrainian actor and wrestler
Isobel Campbell, Scottish singer-songwriter and cellist
Sally Hawkins, English actress
Walter Pandiani, Uruguayan footballer
Chris Carpenter, American baseball player
Pedro Feliz, Dominican baseball player
Kazuyoshi Funaki, Japanese ski jumper
Frank Catalanotto, American baseball player
Sharlee D'Angelo, Swedish bass player and songwriter
Sébastien Lareau, Canadian tennis player
Nigel Barker, English photographer and author
Cory Booker, African-American lawyer and politician
Darcey Bussell, English ballerina
Dana Milbank, American journalist and author
Willem-Alexander, King of the Netherlands
Tommy Smith, Scottish saxophonist, composer, and educator
Erik Thomson, Scottish-New Zealand actor
Jason Whitlock, American football player and journalist
Peter McIntyre, Australian cricketer
Yoshihiro Togashi, Japanese illustrator
Anna Chancellor, English actress
Russell T Davies, Welsh screenwriter and producer
Ángel Comizzo, Argentinian footballer and manager
Seppo Räty, Finnish javelin thrower and coach
Im Sang-soo, South Korean director and screenwriter
Andrew Selous, English soldier and politician
Andrew Schlafly, American lawyer and activist, founded Conservapedia
Mike Krushelnyski, Canadian ice hockey player and coach
Sheena Easton, Scottish-American singer-songwriter, actress, and producer
Marco Pirroni, English singer-songwriter, guitarist, and producer
Dietmar Keck, Austrian politician
Willie Upshaw, American baseball player and manager
Bryan Harvey, American singer-songwriter and guitarist (died 2006)
Eric Schmidt, American engineer and businessman
Frank Bainimarama, Fijian commander and politician, 8th Prime Minister of Fiji
Herman Edwards, American football player, coach, and sportscaster
Mark Holden, Australian singer, actor, and lawyer
Arielle Dombasle, French-American actress and model
Larry Elder, American lawyer and talk show host
George Gervin, American basketball player
Ari Vatanen, Finnish race car driver and politician
Ace Frehley, American guitarist and songwriter
Jaime Fresnedi, Filipino politician
David W. Duclon, American television writer and producer (died 2025)
Frank Abagnale Jr., American security consultant and criminal
Josef Hickersberger, Austrian footballer, coach, and manager
Kate Pierson, American singer-songwriter and bass player
G. K. Butterfield, African-American soldier, lawyer, and politician
Nick Greiner, Hungarian-Australian politician, 37th Premier of New South Wales
Pete Ham, Welsh singer-songwriter and guitarist (died 1975)
Keith Magnuson, Canadian ice hockey player and coach (died 2003)
Ann Peebles, American soul singer-songwriter
Franz Roth, German footballer
Martin Chivers, English footballer and manager
Terry Willesee, Australian journalist and television host
August Wilson, American author and playwright (died 2005)
Michael Fish, English meteorologist and journalist
Cuba Gooding Sr., American singer (died 2017)
Herb Pedersen, American singer-songwriter and guitarist
Helmut Marko, Austrian race car driver and manager
Ruth Glick, American author
Jim Keltner, American drummer
Fethullah Gülen, Turkish preacher and theologian (died 2024)
Dilip Kumar Chakrabarti, Indian archaeologist
Lee Roy Jordan, American football player
Judy Carne, English actress and comedian (died 2015)
Stanisław Dziwisz, Polish cardinal
Earl Anthony, American bowler and sportscaster (died 2001)
Alain Caron, Canadian ice hockey player (died 1986)
Sandy Dennis, American actress (died 1992)
Robin Eames, Irish Anglican archbishop
Richard Perham, English biologist and academic (died 2015)
Geoffrey Shovelton, English singer and illustrator (died 2016)
Theodoros Angelopoulos, Greek director, producer, and screenwriter (died 2012)
Ron Morris, American pole vaulter and coach (died 2024)
Peter Imbert, Baron Imbert, English police officer and politician, Lord Lieutenant for Greater London (died 2017)
Anouk Aimée, French actress (died 2024)
Pik Botha, South African lawyer, politician, and diplomat, 8th South African Ambassador to the United States (died 2018)
Casey Kasem, American disc jockey, radio celebrity, and voice actor; co-created American Top 40 (died 2014)
Chuck Knox, American football coach (died 2018)
Derek Minter, English motorcycle racer (died 2015)
Gian-Carlo Rota, Italian-American mathematician and philosopher (died 1999)
Igor Oistrakh, Ukrainian violinist and educator (died 2021)
Nina Ponomaryova, Russian discus thrower and coach (died 2016)
Coretta Scott King, African-American activist and author (died 2006)
Joe Moakley, American soldier, lawyer, and politician (died 2001)
Tim LaHaye, American minister, activist, and author (died 2016)
Basil A. Paterson, American lawyer and politician, 59th Secretary of State of New York (died 2014)
Alan Reynolds, English painter and educator (died 2014)
Derek Chinnery, English broadcaster (died 2015)
Vernon B. Romney, American lawyer and politician, 14th Attorney General of Utah (died 2013)
Betty Mae Tiger Jumper, Seminole chief (died 2011)
Jack Klugman, American actor (died 2012)
Sheila Scott, English nurse and pilot (died 1988)
Robert Dhéry, French actor, director, and screenwriter (died 2004)
Guido Cantelli, Italian conductor (died 1956)
Mark Krasnosel'skii, Ukrainian mathematician and academic (died 1997)
James Robert Mann, American colonel, lawyer, and politician (died 2010)
Edwin Morgan, Scottish poet and translator (died 2010)
Sten Rudholm, Swedish lawyer and jurist (died 2008)
Roman Matsov, Estonian violinist, pianist, and conductor (died 2001)
Robert Hugh McWilliams, Jr., American sergeant, lawyer, and judge (died 2013)
Enos Slaughter, American baseball player and manager (died 2002)
Philip Abelson, American physicist and author (died 2004)
Irving Adler, American mathematician, author, and academic (died 2012)
Luz Long, German long jumper and soldier (died 1943)
Jacques de Bourbon-Busset, French author and politician (died 2001)
Zohra Sehgal, Indian actress, dancer, and choreographer (died 2014)
Bruno Beger, German anthropologist and ethnologist (died 2009)
Chris Berger, Dutch sprinter and footballer (died 1965)
Chiang Ching-kuo, Chinese politician, 3rd President of the Republic of China (died 1988)
Lim Bo Seng, Chinese businessman, resistance fighter of Force 136 and war hero of Singapore (died 1944)
Yiorgos Theotokas, Greek author and playwright (died 1966)
John Kuck, American javelin thrower and shot putter (died 1986)
Cecil Day-Lewis, Anglo-Irish poet and author (died 1972)
Nikos Zachariadis, Greek politician (died 1973)
Tiemoko Garan Kouyaté, Malian educator and activist (died 1942)
August Koern, Estonian politician and diplomat, Estonian Minister of Foreign Affairs in exile (died 1989)
Walter Lantz, American animator, producer, screenwriter, and actor (died 1994)
Ludwig Bemelmans, Italian-American author and illustrator (died 1962)
Rogers Hornsby, American baseball player, coach, and manager (died 1963)
William Hudson, New Zealand-Australian engineer (died 1978)
Wallace Carothers, American chemist and inventor of nylon (died 1937)
George Petty, American painter and illustrator (died 1975)
Nicolas Slonimsky, Russian pianist, composer, and conductor (died 1995)
Draža Mihailović, Serbian general (died 1946)
Allen Sothoron, American baseball player, coach, and manager (died 1939)
Sergei Prokofiev, Russian pianist, composer, and conductor (died 1953)
Florence La Badie, Canadian actress (died 1917)
Warren Wood, American golfer (died 1926)
Jessie Redmon Fauset, American author and poet (died 1961)
Mihkel Lüdig, Estonian organist, composer, and conductor (died 1958)
Frederick Fane, Irish-born, English cricketer (died 1960)
Maurice Raoul-Duval, French polo player (died 1916)
William Arms Fisher, American composer and music historian (died 1948)
Theodor Kittelsen, Norwegian painter and illustrator (died 1914)
Jules Lemaître, French playwright and critic (died 1914)
Hans Hartwig von Beseler, German general and politician (died 1921)
Otto, King of Bavaria (died 1916)
Edward Whymper, English-French mountaineer, explorer, author, and illustrator (died 1911)
Ulysses S. Grant, American general and politician, 18th President of the United States (died 1885)
Herbert Spencer, English biologist, anthropologist, sociologist, and philosopher (died 1903)
William W. Snow, American lawyer and politician (died 1886)
Friedrich von Flotow, German composer (died 1883)
Samuel Morse, American painter and inventor, co-invented the Morse code (died 1872)
Charles Robert Cockerell, English architect, archaeologist, and writer (died 1863)
Mary Wollstonecraft, English philosopher, historian, and novelist (died 1797)
Marc-Antoine Parseval, French mathematician and theorist (died 1836)
Adamantios Korais, Greek-French philosopher and scholar (died 1833)
Thomas Lewis, Irish-born American surveyor and lawyer (died 1790)
Charles Emmanuel III of Sardinia (died 1773)
Charles Blount, English deist and philosopher (died 1693)
Charlotte Amalie of Hesse-Kassel, Queen Consort of Denmark (1670–1699) (died 1714)
Mumtaz Mahal, Mughal empress buried at the Taj Mahal (died 1631)
Henry Percy, 9th Earl of Northumberland (died 1632)
François Béroalde de Verville, French writer (died 1626)
Frederick Jagiellon, Primate of Poland (died 1503)
Decimus Junius Brutus Albinus, Roman politician and general (died 43 BC)
Jiggly Caliente, Filipino-American drag performer, singer and actress (born 1980)
C. J. Sansom, British author (born 1952)
Jerry Springer, American politician and actor (born 1944)
Liao Guoxun, Chinese politician (born 1963)
Manoj Das, Indian writer (born 1934)
Vinod Khanna, Indian actor, producer and politician (born 1946)
Sadanoyama Shinmatsu, Japanese sumo wrestler (born 1938)
Gene Fullmer, American boxer (born 1931)
Verne Gagne, American football player, wrestler, and trainer (born 1926)
Alexander Rich, American biologist, biophysicist, and academic (born 1924)
Yigal Arnon, Israeli lawyer (born 1929)
Vujadin Boškov, Serbian footballer, coach, and manager (born 1931)
Daniel Colchico, American football player and coach (born 1935)
Harry Firth, Australian race car driver and manager (born 1918)
Aída Bortnik, Argentinian screenwriter (born 1938)
Lorraine Copeland, Scottish archaeologist (born 1921)
Antonio Díaz Jurado, Spanish footballer (born 1969)
Jérôme Louis Heldring, Dutch journalist and author (born 1917)
Aloysius Jin Luxian, Chinese bishop (born 1916)
Mutula Kilonzo, Kenyan lawyer and politician, Kenyan Minister of Justice (born 1948)
Daniel E. Boatwright, American soldier and politician (born 1930)
Bill Skowron, American baseball player (born 1930)
Marian Mercer, American actress and singer (born 1935)
Frankie Manning, American dancer and choreographer (born 1914)
Woo Seung-yeon, South Korean model and actress (born 1983)
Feroz Khan (actor), Indian Actor, Film Director & Producer (born 1939)
Mstislav Rostropovich, Russian cellist and conductor (born 1927)
Julia Thorne, American author (born 1944)
Red Horner, Canadian ice hockey player (born 1909)
George Alec Effinger, American author (born 1947)
Ruth Handler, American inventor and businesswoman, created the Barbie doll (born 1916)
Al Hirt, American trumpet player and bandleader (born 1922)
Dale C. Thomson, Canadian historian, author, and academic (born 1923)
Cyril Washbrook, English cricketer (born 1914)
John W. H. Bassett, Canadian journalist and politician (born 1915)
Carlos Castaneda, Peruvian-American anthropologist and author (born 1925)
Anne Desclos, French journalist and author (born 1907)
Browning Ross, American runner and soldier (born 1924)
William Colby, American diplomat, 10th Director of Central Intelligence (born 1920)
Gilles Grangier, French director and screenwriter (born 1911)
Katherine DeMille, Canadian-American actress (born 1911)
Willem Frederik Hermans, Dutch author, poet, and playwright (born 1921)
Olivier Messiaen, French organist and composer (born 1908)
Gerard K. O'Neill, American physicist and astronomer (born 1927)
Konosuke Matsushita, Japanese businessman, founded Panasonic (born 1894)
Fred Bear, American hunter and author (born 1902)
Stanley Adams, American actor and screenwriter (born 1915)
Carlos Menditeguy, Argentinian race car driver and polo player (born 1914)
Kwame Nkrumah, Ghanaian politician, 1st President of Ghana (born 1909)
Arthur Shields, Irish rebel and actor (born 1896)
René Barrientos, Bolivian soldier, pilot, and politician, 55th President of Bolivia (born 1919)
William Douglas Cook, New Zealand farmer, founded the Eastwoodhill Arboretum (born 1884)
Edward R. Murrow, American journalist (born 1908)
A. K. Fazlul Huq, Bangladeshi-Pakistani lawyer and politician, Pakistani Minister of the Interior (born 1873)
Roy Del Ruth, American director, producer, and screenwriter (born 1893)
Guido Castelnuovo, Italian mathematician and statistician (born 1865)
Benjamin Faunce, American druggist and businessman (born 1873)
Edmund Husserl, Czech mathematician and philosopher (born 1859)
Antonio Gramsci, Italian sociologist, linguist, and politician (born 1891)
Karl Pearson, English mathematician and academic (born 1857)
Hart Crane, American poet (born 1899)
John Labatt, Canadian businessman (born 1838)
Alexander Scriabin, Russian pianist and composer (born 1872)
Henry Parkes, English-Australian businessman and politician, 7th Premier of New South Wales (born 1815)
John Ballance, Irish-born New Zealand journalist and politician, 14th Prime Minister of New Zealand (born 1839)
Ralph Waldo Emerson, American poet and philosopher (born 1803)
William Macready, English actor and manager (born 1793)
Zebulon Pike, American general and explorer (born 1779)
William Talbot, 1st Earl Talbot, English politician, Lord Steward of the Household (born 1710)
Jean Bart, French admiral (born 1651)
John Trenchard, English politician, Secretary of State for the Northern Department (born 1640)
John George IV, Elector of Saxony (born 1668)
Jan van Goyen, Dutch painter and illustrator (born 1596)
Robert Abercromby, Scottish priest and missionary (born 1532)
Edward Cromwell, 3rd Baron Cromwell, Governor of Lecale (born 1560)
Pope Leo XI (born 1535)
Maeda Toshiie, Japanese general (born 1538)
Ferdinand Magellan, Portuguese sailor and explorer (born 1480)
Isidore of Kiev (born 1385)
Philip II, Duke of Burgundy (born 1342)
Maria of Bosnia, Countess of Helfenstein (born 1335)
Simeon of Moscow, Grand Prince of Moscow and Vladimir
Nicolò Albertini, Italian cardinal statesman (born c. 1250)
Zita, Italian saint (born 1212)
Rudolf I, Count of Bregenz (born 1081)
Ardashir III of Persia (born 621)
Christian feast days: Anthimus of Nicomedia
Christian feast days: Assicus
Christian feast days: Floribert of Liège
Christian feast days: John of Constantinople
Christian feast days: Liberalis of Treviso
Christian feast days: Pollio
Christian feast days: Virgin of Montserrat, co-patroness of Catalonia
Christian feast days: Zita
Christian feast days: Origen Adamantius
Christian feast days: April 27 (Eastern Orthodox liturgics)
Day of Russian Parliamentarism (Russia)
Day of the Uprising Against the Occupying Forces (Slovenia)
Flag Day (Moldova)
Freedom Day (South Africa)
Independence Day, celebrates the independence of Sierra Leone from United Kingdom in 1961.
Independence Day, celebrates the independence of Togo from France in 1960.
King's Day (Netherlands, Aruba, Curaçao, Sint Maarten) (celebrated on April 26 if April 27 falls on a Sunday)
National Veterans' Day (Finland)