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This Day On History
| Date | Description | Type |
|---|---|---|
| 9th of April 0193 | EVENT | Septimius Severus is proclaimed Roman Emperor by the army in Illyricum (in the Balkans). |
| 9th of April 0475 | EVENT | Byzantine Emperor Basiliscus issues a circular letter (Enkyklikon) to the bishops of his empire, supporting the Monophysite christological position. |
| 9th of April 1241 | EVENT | Battle of Liegnitz: Mongol forces defeat the Polish and German armies. |
| 9th of April 1388 | EVENT | Despite being outnumbered 16 to 1, forces of the Old Swiss Confederacy are victorious over the Archduchy of Austria in the Battle of Nafels. |
| 9th of April 1413 | EVENT | Henry V is crowned King of England. |
| 9th of April 1440 | EVENT | Christopher of Bavaria is appointed King of Denmark. |
| 9th of April 1511 | EVENT | St John's College, Cambridge, England, founded by Lady Margaret Beaufort, receives its charter. |
| 9th of April 1609 | EVENT | Eighty Years' War: Spain and the Dutch Republic sign the Treaty of Antwerp to initiate twelve years of truce. |
| 9th of April 1682 | EVENT | Robert Cavelier de La Salle discovers the mouth of the Mississippi River, claims it for France and names it Louisiana. |
| 9th of April 1782 | EVENT | American War of Independence: Battle of the Saintes begins. |
| 9th of April 1852 | EVENT | At a general conference of the The Church of Jesus Christ of Latter-day Saints, Brigham Young explains the Adam : God doctrine, an important part of the theology of Mormon fundamentalism. |
| 9th of April 1860 | EVENT | The oldest audible sound recording of a human voice is made. |
| 9th of April 1865 | EVENT | American Civil War: Robert E. Lee surrenders the Army of Northern Virginia (26,765 troops) to Ulysses S. Grant at Appomattox Courthouse, Virginia, effectively ending the war. |
| 9th of April 1867 | EVENT | Alaska purchase: Passing by a single vote, the United States Senate ratifies a treaty with Russia for the purchase of Alaska. |
| 9th of April 1909 | EVENT | The U.S. Congress passes the Payne-Aldrich Tariff Act. |
| 9th of April 1914 | EVENT | Mexican Revolution: One of the world's first naval/air skirmishes takes place off the coast of western Mexico. |
| 9th of April 1916 | EVENT | World War I: The Battle of Verdun : German forces launch their third offensive of the battle. |
| 9th of April 1917 | EVENT | World War I: The Battle of Arras : the battle begins with Canadian Corps executing a massive assault on Vimy Ridge. |
| 9th of April 1918 | EVENT | World War I: The Battle of the Lys : the Portuguese Expeditionary Corps is crushed by the German forces during what is called the Spring Offensive on the Belgian region of Flanders. |
| 9th of April 1918 | EVENT | The National Council of Bessarabia proclaims union with the Kingdom of Romania. |
| 9th of April 1937 | EVENT | The Kamikaze arrives at Croydon Airport in London : it is the first Japanese-built aircraft to fly to Europe. |
| 9th of April 1939 | EVENT | Marian Anderson sings at the Lincoln Memorial, after being denied the right to sing at the Daughters of the American Revolution's Constitution Hall. |
| 9th of April 1940 | EVENT | World War II: Operation Weserubung : Germany invades Denmark and Norway. |
| 9th of April 1942 | EVENT | World War II: The Battle of Bataan/Bataan Death March : United States forces surrender on the Bataan Peninsula. The Japanese Navy launches an air raid on Trincomalee in Ceylon (Sri Lanka); Royal Navy aircraft carrier HMS Hermes and Royal Australian Navy Destroyer HMAS Vampire are sunk off the island's east coast. |
| 9th of April 1945 | EVENT | World War II: The German pocket battleship Admiral Scheer is sunk. |
| 9th of April 1945 | EVENT | World War II: The Battle of Konigsberg, in East Prussia, ends. |
| 9th of April 1945 | EVENT | The United States Atomic Energy Commission is formed. |
| 9th of April 1947 | EVENT | The Glazier-Higgins-Woodward tornadoes kill 181 and injure 970 in Texas, Oklahoma, and Kansas. |
| 9th of April 1947 | EVENT | The Journey of Reconciliation, the first interracial Freedom Ride begins through the upper South in violation of Jim Crow laws. The riders wanted enforcement of the United States Supreme Court's 1946 Irene Morgan decision that banned racial segregation in interstate travel. |
| 9th of April 1948 | EVENT | Jorge Eliecer Gaitan's assassination provokes a violent riot in Bogota (the Bogotazo), and a further ten years of violence in Colombia known as La violencia. |
| 9th of April 1948 | EVENT | Fighters from the Irgun and Lehi Zionist paramilitary groups attacked Deir Yassin near Jerusalem, killing over 100. |
| 9th of April 1952 | EVENT | Hugo Ballivian's government is overthrown by the Bolivian National Revolution, starting a period of agrarian reform, universal suffrage and the nationalisation of tin mines |
| 9th of April 1957 | EVENT | The Suez Canal in Egypt is cleared and opens to shipping. |
| 9th of April 1959 | EVENT | Project Mercury: NASA announces the selection of the United States' first seven astronauts, whom the news media quickly dub the "Mercury Seven". |
| 9th of April 1961 | EVENT | The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations. |
| 9th of April 1965 | EVENT | Astrodome opens. First indoor baseball game is played. |
| 9th of April 1967 | EVENT | The first Boeing 737 (a 100 series) makes its maiden flight. |
| 9th of April 1968 | EVENT | Funeral of Martin Luther King, Jr. |
| 9th of April 1969 | EVENT | The "Chicago Eight" plead not guilty to federal charges of conspiracy to incite a riot at the 1968 Democratic National Convention in Chicago, Illinois. |
| 9th of April 1969 | EVENT | The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford. |
| 9th of April 1975 | EVENT | The first game of the Philippine Basketball Association, the second oldest professional basketball league in the world. |
| 9th of April 1975 | EVENT | 8 people in South Korea, who are involved in People's Revolutionary Party Incident, are hanged. |
| 9th of April 1980 | EVENT | The Iraqi regime of Saddam Hussein kills philosopher Muhammad Baqir al-Sadr and his sister Bint al-Huda after three days of torture. |
| 9th of April 1981 | EVENT | The U.S. Navy nuclear submarine USS George Washington (SSBN-598) accidentally collides with the Nissho Maru, a Japanese cargo ship, sinking it. |
| 9th of April 1989 | EVENT | The April 9 tragedy in Tbilisi, Georgian SSR an anti-Soviet peaceful demonstration and hunger strikes, demanding restoration of Georgian independence is dispersed by the Soviet army, resulting in 20 deaths and hundreds of injuries. |
| 9th of April 1992 | EVENT | A U.S. Federal Court finds former Panamanian dictator Manuel Noriega guilty of drug and racketeering charges. He is sentenced to 30 years in prison. |
| 9th of April 1992 | EVENT | John Major's Conservative Party wins an unprecedented fourth general election victory in the United Kingdom. |
| 9th of April 2003 | EVENT | 2003 invasion of Iraq: Baghdad falls to American forces;Saddam Hussein statue topples as Iraqis turn on symbols of their former leader, pulling down the statue and tearing it to pieces. |
| 9th of April 2005 | EVENT | Wedding of Charles, Prince of Wales and Camilla, Duchess of Cornwall; Charles, Prince of Wales marries Camilla Parker Bowles in a civil ceremony at Windsor's Guildhall. |
| 9th of April 2009 | EVENT | In Tbilisi, Georgia, up to 60,000 people protest against the government of Mikheil Saakashvili. |
| 9th of April 2011 | EVENT | A gunman murdered five people, injured eleven, and committed suicide in a mall in the Netherlands. |
| 9th of April 1498 | BIRTHDAY | John, Cardinal of Lorraine, French churchman (d. 1550) |
| 9th of April 1597 | BIRTHDAY | John Davenport, Connecticut pioneer (d. 1670) |
| 9th of April 1634 | BIRTHDAY | Albertine Agnes of Nassau, Regent of Friesland, Groningen and Drenthe (d. 1696) |
| 9th of April 1648 | BIRTHDAY | Henri de Massue, Marquis de Ruvigny, 1st Viscount Galway, French soldier and diplomat (d. 1720) |
| 9th of April 1649 | BIRTHDAY | James Scott, 1st Duke of Monmouth, illegitimate son of Charles II of Great Britain (d. 1685) |
| 9th of April 1680 | BIRTHDAY | Philippe Nericault Destouches, French dramatist (d. 1754) |
| 9th of April 1686 | BIRTHDAY | James Craggs the Younger, British politician (d. 1721) |
| 9th of April 1691 | BIRTHDAY | Johann Matthias Gesner, German classical scholar (d. 1761) |
| 9th of April 1757 | BIRTHDAY | Edward Pellew, 1st Viscount Exmouth, British admiral (d. 1833) |
| 9th of April 1770 | BIRTHDAY | Thomas Johann Seebeck, German physicist (d. 1831) |
| 9th of April 1773 | BIRTHDAY | Etienne Aignan, French writer (d. 1824) |
| 9th of April 1794 | BIRTHDAY | Theobald Boehm, German inventor of the modern flute (d. 1881) |
| 9th of April 1806 | BIRTHDAY | Isambard Kingdom Brunel, British engineer (d. 1859) |
| 9th of April 1821 | BIRTHDAY | Charles Baudelaire, French poet (d. 1867) |
| 9th of April 1830 | BIRTHDAY | Eadweard Muybridge, English-born photographer and motion picture pioneer (d. 1904) |
| 9th of April 1835 | BIRTHDAY | King Leopold II of Belgium (d. 1909) |
| 9th of April 1846 | BIRTHDAY | Paolo Tosti, Italian composer (d. 1916) |
| 9th of April 1865 | BIRTHDAY | Charles Proteus Steinmetz, German-born engineer and mathematician (d. 1923) |
| 9th of April 1865 | BIRTHDAY | Erich Ludendorff, German general in World War I (d. 1937) |
| 9th of April 1867 | BIRTHDAY | Chris Watson, third Prime Minister of Australia (d. 1941) |
| 9th of April 1872 | BIRTHDAY | Leon Blum, French prime minister (d. 1950) |
| 9th of April 1882 | BIRTHDAY | Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin, (d. 1946) |
| 9th of April 1888 | BIRTHDAY | Sol Hurok, Russian-born impresario (d. 1974) |
| 9th of April 1889 | BIRTHDAY | Efrem Zimbalist, Russian violinist (d. 1985) |
| 9th of April 1893 | BIRTHDAY | Mahapandit Rahul Sankrityayan, Indian historian, writer, scholar (d. 1963) |
| 9th of April 1895 | BIRTHDAY | Michel Simon, French actor (d. 1975) |
| 9th of April 1897 | BIRTHDAY | John B. Gambling, American radio talk show host (d. 1974) |
| 9th of April 1898 | BIRTHDAY | Curly Lambeau, American football coach, executive (d. 1965) |
| 9th of April 1898 | BIRTHDAY | Paul Robeson, American singer and activist (d. 1976) |
| 9th of April 1900 | BIRTHDAY | Allen Jenkins, American actor (d. 1974) |
| 9th of April 1901 | BIRTHDAY | Paul Willis, American actor (d. 1960) |
| 9th of April 1903 | BIRTHDAY | Ward Bond, American actor (d. 1960) |
| 9th of April 1904 | BIRTHDAY | Sharkey Bonano, American musician (d. 1972) |
| 9th of April 1905 | BIRTHDAY | J. William Fulbright, American politician (d. 1995) |
| 9th of April 1906 | BIRTHDAY | Antal Dorati, Hungarian conductor (d. 1988) |
| 9th of April 1906 | BIRTHDAY | Rafaela Aparicio, Spanish actress (d. 1996) |
| 9th of April 1908 | BIRTHDAY | Victor Vasarely, Hungarian-born painter (d. 1997) |
| 9th of April 1910 | BIRTHDAY | Abraham Ribicoff, American politician (d. 1998) |
| 9th of April 1912 | BIRTHDAY | Lew Kopelew, Russian author (d. 1997) |
| 9th of April 1913 | BIRTHDAY | Smaro Stefanidou, Greek actress (d. 2010) |
| 9th of April 1915 | BIRTHDAY | Daniel Johnson, Sr., Canadian politician (d. 1968) |
| 9th of April 1917 | BIRTHDAY | Brad Dexter, American actor (d. 2002) |
| 9th of April 1917 | BIRTHDAY | Johannes Bobrowski, German lyricist and writer (d. 1965) |
| 9th of April 1918 | BIRTHDAY | J?rn Utzon, Danish architect (d. 2008) |
| 9th of April 1919 | BIRTHDAY | J. Presper Eckert, American computer pioneer (d. 1995) |
| 9th of April 1921 | BIRTHDAY | Frankie Thomas, American actor (d. 2006) |
| 9th of April 1921 | BIRTHDAY | Jean-Marie Balestre, French motorsports official (FIA) (d. 2008) |
| 9th of April 1922 | BIRTHDAY | Carl Amery, German writer (d. 2005) |
| 9th of April 1926 | BIRTHDAY | Hugh Hefner, American entrepreneur and publisher |
| 9th of April 1928 | BIRTHDAY | Paul Arizin, American basketball player (d. 2006) |
| 9th of April 1928 | BIRTHDAY | Tom Lehrer, American satirist and mathematician |
| 9th of April 1930 | BIRTHDAY | Nathaniel Branden, Canadian psychotherapist |
| 9th of April 1930 | BIRTHDAY | F. Albert Cotton, American chemist (d. 2007) |
| 9th of April 1931 | BIRTHDAY | Richard Hatfield, Canadian politician (d. 1991) |
| 9th of April 1932 | BIRTHDAY | Jim Fowler, American zoologist |
| 9th of April 1932 | BIRTHDAY | Armin Jordan, Swiss conductor (d. 2006) |
| 9th of April 1932 | BIRTHDAY | Carl Perkins, American musician (d. 1998) |
| 9th of April 1933 | BIRTHDAY | Jean-Paul Belmondo, French actor |
| 9th of April 1934 | BIRTHDAY | Bill Birch, New Zealand politician |
| 9th of April 1935 | BIRTHDAY | Avery Schreiber, American actor (d. 2002) |
| 9th of April 1936 | BIRTHDAY | Valerie Solanas, American feminist, attempted murderer of Andy Warhol (d. 1988) |
| 9th of April 1937 | BIRTHDAY | Marty Krofft, Canadian television producer |
| 9th of April 1937 | BIRTHDAY | Valerie Singleton, British television presenter |
| 9th of April 1938 | BIRTHDAY | Viktor Chernomyrdin, Russian politician (d. 2010) |
| 9th of April 1939 | BIRTHDAY | Michael Learned, American actress |
| 9th of April 1940 | BIRTHDAY | Jim Roberts, Canadian ice hockey player |
| 9th of April 1941 | BIRTHDAY | Kay Adams, American country singer |
| 9th of April 1941 | BIRTHDAY | Chu Song-woong, Korean stage actor (d. 1985) |
| 9th of April 1941 | BIRTHDAY | Hannah Gordon, British actress |
| 9th of April 1942 | BIRTHDAY | Brandon De Wilde, American actor (d. 1972) |
| 9th of April 1943 | BIRTHDAY | Terry Knight, American music promoter (d. 2004) |
| 9th of April 1945 | BIRTHDAY | Steve Gadd, American session drummer |
| 9th of April 1945 | BIRTHDAY | Peter Gammons, American sports journalist |
| 9th of April 1946 | BIRTHDAY | David Webb, English footballer and coach |
| 9th of April 1948 | BIRTHDAY | Jaya Bachchan, Indian actress |
| 9th of April 1953 | BIRTHDAY | Hal Ketchum, American musician |
| 9th of April 1954 | BIRTHDAY | Iain Duncan Smith, British politician |
| 9th of April 1954 | BIRTHDAY | Dennis Quaid, American actor |
| 9th of April 1955 | BIRTHDAY | Joolz Denby, English poet and novelist |
| 9th of April 1955 | BIRTHDAY | Kate Heyhoe, American food writer |
| 9th of April 1956 | BIRTHDAY | Miguel Angel Russo, Argentine footballer |
| 9th of April 1957 | BIRTHDAY | Seve Ballesteros, Spanish golfer (d. 2011) |
| 9th of April 1957 | BIRTHDAY | Brian Alexander, British broadcaster |
| 9th of April 1957 | BIRTHDAY | Martin Margiela, Belgian fashion designer |
| 9th of April 1961 | BIRTHDAY | Mark Kelly, British keyboard player (Marillion) |
| 9th of April 1961 | BIRTHDAY | Kirk McCaskill, pro baseball and hockey player |
| 9th of April 1962 | BIRTHDAY | Ihor Podolchak, Ukrainian artist and film director |
| 9th of April 1962 | BIRTHDAY | Imran Sherwani, British field hockey player |
| 9th of April 1963 | BIRTHDAY | Joe Scarborough, American television personality |
| 9th of April 1963 | BIRTHDAY | Marc Jacobs, American fashion designer |
| 9th of April 1964 | BIRTHDAY | Rick Tocchet, Canadian ice hockey player |
| 9th of April 1964 | BIRTHDAY | Soyo Oka, Japanese musician |
| 9th of April 1964 | BIRTHDAY | Rob Awalt, American football player |
| 9th of April 1965 | BIRTHDAY | Jay Wesley Neill, American murderer (d. 2002) |
| 9th of April 1965 | BIRTHDAY | Mark Pellegrino, American actor |
| 9th of April 1965 | BIRTHDAY | Paulina Porizkova, Czechoslovakian actress and supermodel |
| 9th of April 1965 | BIRTHDAY | Jeff Zucker, American television executive |
| 9th of April 1966 | BIRTHDAY | Cynthia Nixon, American actress |
| 9th of April 1967 | BIRTHDAY | Alex Kahn, American artist |
| 9th of April 1970 | BIRTHDAY | Mike Barz, American meteorologist and TV anchor |
| 9th of April 1970 | BIRTHDAY | Tricia Penrose, British actress and singer |
| 9th of April 1971 | BIRTHDAY | Johan Verheyden, Belgian journalist and author |
| 9th of April 1971 | BIRTHDAY | Peter Canavan, Gaelic footballer |
| 9th of April 1971 | BIRTHDAY | Earl Cole, Winner of Survivor: Fiji |
| 9th of April 1971 | BIRTHDAY | Austin Peck, American actor |
| 9th of April 1971 | BIRTHDAY | Jacques Villeneuve, Canadian racing driver |
| 9th of April 1971 | BIRTHDAY | Leo Fortune-West, English footballer |
| 9th of April 1972 | BIRTHDAY | Bernard Ackah, Ivorian mixed martial artist and comedian |
| 9th of April 1973 | BIRTHDAY | Spenny Rice, Canadian entertainer |
| 9th of April 1974 | BIRTHDAY | Jenna Jameson, American pornographic actress |
| 9th of April 1974 | BIRTHDAY | Alexander Pichushkin, Russian serial killer |
| 9th of April 1975 | BIRTHDAY | David Gordon Green, American filmmaker |
| 9th of April 1975 | BIRTHDAY | Robbie Fowler, English footballer |
| 9th of April 1977 | BIRTHDAY | Gerard Way, American singer (My Chemical Romance) |
| 9th of April 1978 | BIRTHDAY | Jorge Andrade, Portuguese footballer |
| 9th of April 1978 | BIRTHDAY | Veronica Taylor, American actress |
| 9th of April 1978 | BIRTHDAY | Vesna Pisarovic, Croatian singer |
| 9th of April 1978 | BIRTHDAY | Rachel Stevens, English singer (S Club) |
| 9th of April 1979 | BIRTHDAY | Albert Hammond, Jr., American guitarist (The Strokes) |
| 9th of April 1979 | BIRTHDAY | Katsuni, French pornographic actress |
| 9th of April 1979 | BIRTHDAY | Keith Nobbs, American actor |
| 9th of April 1979 | BIRTHDAY | Keshia Knight Pulliam, American actress |
| 9th of April 1979 | BIRTHDAY | Jeff Reed, American football player |
| 9th of April 1980 | BIRTHDAY | Clueso, German singer, rapper, songwriter and producer |
| 9th of April 1980 | BIRTHDAY | Yoanna House, American model |
| 9th of April 1980 | BIRTHDAY | Jerko Leko, Croatian footballer |
| 9th of April 1981 | BIRTHDAY | Ireneusz Jelen, Polish footballer |
| 9th of April 1981 | BIRTHDAY | Dennis Sarfate, American baseball player |
| 9th of April 1981 | BIRTHDAY | Milan Bartovic, Slovak ice hockey player |
| 9th of April 1982 | BIRTHDAY | Carlos Hernandez, Costa Rican footballer |
| 9th of April 1982 | BIRTHDAY | Jay Baruchel, Canadian actor |
| 9th of April 1984 | BIRTHDAY | Linda Chung, Canadian/Hong Kong actress and singer |
| 9th of April 1984 | BIRTHDAY | Adam Loewen, Canadian baseball player |
| 9th of April 1985 | BIRTHDAY | Tomohisa Yamashita, Japanese actor and singer (NEWS) |
| 9th of April 1985 | BIRTHDAY | David Robertson, American baseball player |
| 9th of April 1986 | BIRTHDAY | Brian Larsen, American musician and record producer |
| 9th of April 1986 | BIRTHDAY | Leighton Meester, American singer and actress |
| 9th of April 1987 | BIRTHDAY | Jesse McCartney, American actor and singer |
| 9th of April 1987 | BIRTHDAY | Jazmine Sullivan, American R&B singer |
| 9th of April 1987 | BIRTHDAY | Craig Mabbitt, American singer (Escape the Fate) |
| 9th of April 1987 | BIRTHDAY | Jarrod Mullen, Australian rugby league footballer |
| 9th of April 1988 | BIRTHDAY | Dino Imperial, Filipino actor |
| 9th of April 1988 | BIRTHDAY | Michel Alves Baroni, Brazilian footballer |
| 9th of April 1988 | BIRTHDAY | Uee, South Korean actress and singer (After School) |
| 9th of April 1989 | BIRTHDAY | Danielle Kahle, American figure skater |
| 9th of April 1990 | BIRTHDAY | Kristen Stewart, American actress |
| 9th of April 1998 | BIRTHDAY | Elle Fanning, American actress |
| 9th of April 2000 | BIRTHDAY | Jackie Evancho, child singer |
| 9th of April 0093 | DEATH | Yuan An, Minister over the Masses of the Han dynasty |
| 9th of April 0491 | DEATH | Zeno, Byzantine Emperor |
| 9th of April 0715 | DEATH | Pope Constantine |
| 9th of April 1024 | DEATH | Pope Benedict VIII |
| 9th of April 1137 | DEATH | William X, Duke of Aquitaine (Born 1099) |
| 9th of April 1305 | DEATH | Lord Borchard de Herle, English Diplomat (Born 1268) |
| 9th of April 1483 | DEATH | King Edward IV of England (Born 1442) |
| 9th of April 1484 | DEATH | Edward of Middleham, Prince of Wales (Born 1473) |
| 9th of April 1492 | DEATH | Lorenzo de' Medici, Italian statesmen (Born 1449) |
| 9th of April 1553 | DEATH | Francois Rabelais, French writer |
| 9th of April 1557 | DEATH | Mikael Agricola, Finnish scholar (Born c. 1510) |
| 9th of April 1626 | DEATH | Sir Francis Bacon, English philosopher, statesman, and essayist (Born 1561) |
| 9th of April 1654 | DEATH | Matei Basarab, Prince of Wallachia (Born 1588) |
| 9th of April 1693 | DEATH | Roger de Rabutin, Comte de Bussy, French writer (Born 1618) |
| 9th of April 1747 | DEATH | Simon Fraser, 11th Lord Lovat, Scottish clan chief |
| 9th of April 1754 | DEATH | Christian Wolff, German philosopher (Born 1679) |
| 9th of April 1761 | DEATH | William Law, British minister (Born 1686) |
| 9th of April 1804 | DEATH | Jacques Necker, French statesman (Born 1732) |
| 9th of April 1806 | DEATH | William V of Orange, Stadtholder of the Dutch Republic (Born 1748) |
| 9th of April 1872 | DEATH | Erastus Corning, American businessman and politician (Born 1794) |
| 9th of April 1876 | DEATH | Charles Goodyear, American politician (Born 1804) |
| 9th of April 1889 | DEATH | Michel Eugene Chevreul, French chemist (Born 1786) |
| 9th of April 1909 | DEATH | Helena Modrzejewska, Polish-American actress (Born 1840) |
| 9th of April 1917 | DEATH | James Hope Moulton, British scholar of Classical Greek (Born 1863) |
| 9th of April 1922 | DEATH | Hans Fruhstorfer, German lepidoterist (Born 1866) |
| 9th of April 1936 | DEATH | Ferdinand Tonnies, German sociologist (Born 1855) |
| 9th of April 1940 | DEATH | Mrs. Patrick Campbell, British actress (Born 1865) |
| 9th of April 1944 | DEATH | Evgeniya Rudneva, Russian pilot (Born 1920) |
| 9th of April 1945 | DEATH | Dietrich Bonhoeffer, German theologian (Born 1906) |
| 9th of April 1945 | DEATH | Georg Elser, failed assassin of Hitler (Born 1903) |
| 9th of April 1945 | DEATH | Wilhelm Canaris, German admiral (Born 1887) |
| 9th of April 1945 | DEATH | Hans Oster, German General, member of the German Resistance (Born 1887) |
| 9th of April 1945 | DEATH | Hans von Dohnanyi, German jurist, member of the German Resistance (Born 1902) |
| 9th of April 1945 | DEATH | Karl Sack, German jurist, member of the German Resistance (Born 1896) |
| 9th of April 1948 | DEATH | George Carpenter, Australian Salvation Army general (Born 1872) |
| 9th of April 1948 | DEATH | Jorge Eliecer Gaitan, Colombian politician (Born 1903) |
| 9th of April 1951 | DEATH | Vilhelm Bjerknes, Norwegian physicist (Born 1862) |
| 9th of April 1953 | DEATH | C.E.M. Joad, English philosopher and broadcaster (Born 1891) |
| 9th of April 1953 | DEATH | Eddie Cochems, father of the Forward Pass in American football (Born 1877) |
| 9th of April 1959 | DEATH | Frank Lloyd Wright, American architect (Born 1867) |
| 9th of April 1961 | DEATH | King Zog of Albania (Born 1895) |
| 9th of April 1963 | DEATH | Eddie Edwards, American jazz tromboner (Born 1891) |
| 9th of April 1970 | DEATH | Gustaf Tenggren, Swedish illustrator (Born 1896) |
| 9th of April 1976 | DEATH | Dagmar Nordstrom, American composer, pianist (Born 1903) |
| 9th of April 1976 | DEATH | Phil Ochs, American singer (Born 1940) |
| 9th of April 1978 | DEATH | Clough Williams-Ellis, Welsh architect (Born 1883) |
| 9th of April 1980 | DEATH | Bint al-Huda, Islamic writer (Born 1938) |
| 9th of April 1980 | DEATH | Muhammad Baqir al-Sadr, Islamic philosopher and economist (Born 1935) |
| 9th of April 1982 | DEATH | Wilfrid Pelletier, Canadian conductor (Born 1896) |
| 9th of April 1988 | DEATH | Brook Benton, American singer (Born 1931) |
| 9th of April 1988 | DEATH | David Prater, American singer (Sam & Dave) (Born 1937) |
| 9th of April 1991 | DEATH | Martin Hannett, record producer (Born 1948) |
| 9th of April 1993 | DEATH | Joseph B. Soloveitchik, American Orthodox rabbi, Talmudist and modern Jewish philosopher (Born 1903) |
| 9th of April 1996 | DEATH | Richard Condon, American novelist (Born 1915) |
| 9th of April 1996 | DEATH | James W. Rouse, American real estate developer, activist, and philanthropist (Born 1914) |
| 9th of April 1997 | DEATH | Helene Hanff, American writer (Born 1916) |
| 9th of April 1997 | DEATH | Mae Boren Axton, American singer and songwriter (Born 1914) |
| 9th of April 1998 | DEATH | Tom Cora, American cellist and composer (Born 1953) |
| 9th of April 1999 | DEATH | Ibrahim Bare Mainassara, Niger politician and general (Born 1949) |
| 9th of April 2001 | DEATH | Willie Stargell, American baseball player (Born 1940) |
| 9th of April 2002 | DEATH | Leopold Vietoris, Austrian mathematician (Born 1891) |
| 9th of April 2002 | DEATH | Pat Flaherty, American racecar driver (Born 1926) |
| 9th of April 2003 | DEATH | Earl Bramblett, American murderer (Born 1942) |
| 9th of April 2005 | DEATH | Andrea Dworkin, American feminist activist and writer (Born 1946) |
| 9th of April 2006 | DEATH | Vilgot Sjoman, Swedish writer and film director (Born 1924) |
| 9th of April 2006 | DEATH | Billy Hitchcock, American baseball player, coach, and official (Born 1916) |
| 9th of April 2007 | DEATH | Egon Bondy, Czech philosopher and writer (Born 1930) |
| 9th of April 2009 | DEATH | Nick Adenhart, American baseball player (Born 1986) |
| 9th of April 2010 | DEATH | Zoltan Varga, Hungarian footballer (Born 1945) |
| 9th of April 2010 | DEATH | Aladar Kovacsi, Hungarian modern pentathlon Olympic champion (1952, Helsinki) (Born 1932) |
| 9th of April 2011 | DEATH | Sidney Lumet, American film director (Born 1924) |