| 2013 | U.S. Supreme Court Justice Stephen G. Breyer breaks his shoulder on a fall from his bicycle and is taken to the hospital by ambulance |
| 2013 | In Italy, a deal on forming a new government is finalized two months after the 2013 Italian parliamentary election |
| 2012 | The wives and children of former Osama bin Laden are deported from Pakistan to Saudi Arabialo |
| 2012 | Barcelona's association football manager Josep Guardiola announces his resignation |
| 2011 | A German naval mine from World War II is discovered and dismantled by BP; removing the bomb avoided potential closure of 16 oil fields |
| 2011 | As the Australian dollar reaches new 29-year highs against the U.S. dollar, rising interest rates are predicted |
| 2010 | The U.S. Senate investigates Goldman Sachs, finding that they made billions of dollars at the expense of clients during the housing market collapse |
| 2005 | Airbus A380 makes its first flight from Toulouse, France |
| 1997 | "Little Foxes," opens at Vivian Beaumont New York City for 56 performances |
| 1997 | "Stanley," closes at Circle in Sq Theater New York City |
| 1997 | Frank Nobilo wins Greater Greensboro Chrysler Classic at Forest Oaks |
| 1997 | Las Vegas Senior Golf Classic by TruGreen-ChemLawn |
| 1997 | Nancy Lopez wins LPGA Chick-fil-A Charity Championship |
| 1996 | Brunswick World Tournament of Champions won by Dave D'Entremont |
| 1995 | "Indiscretions" opens at Ethel Barrymore Theater New York City for 221 performances |
| 1995 | Coors Field in Colorado opens - Denver Rockies beats Mets 11-9 in 14 |
| 1994 | "Inspector Calls" opens at Royale Theater New York City for 454 performances |
| 1994 | 29.0 degrees C in Genevad, Sweden (Swedish April high temperature record) |
| 1994 | 7th longest NHL game: New Jersey Devils beat Buffalo Sabres (125 minutes 43 seconds) |
| 1994 | Graeme Obree bicycles world record time (52,713 km) |
| 1994 | President Nixon buried in Nixon Library in California |
| 1994 | Twins righty Scott Erickson no-hits Brewers 6-0 |
| 1993 | Afghan Antonov AN-32 crashes at Tashqurgan, kills 76 |
| 1992 | "Small Family Business" opens at Music Box Theater New York City for 48 performances |
| 1992 | New York Jets finish perfect 5-0 pre-season for 1st time |
| 1992 | New York Mets trade David Cone to Toronto Blue Jays for Jeff Kent |
| 1991 | "Lucifer's Child" closes at Music Box Theater New York City after 28 performances |
| 1991 | Firestone World Bowling Tournament of Champions won by David Ozio |
| 1990 | 50th annual barbershop quartet singing convention held in Michigan |
| 1990 | Dodger Orel Hershiser undergoes career-threatening shoulder surgery |
| 1990 | Villanova's women set a 6,000 m relay world record of 17:18:10 |
| 1989 | "Starmites" opens at Criter Ctr SR Theater New York City for 60 performances |
| 1989 | Beijing students take over Tiananmen Square in China |
| 1989 | Hurricane in Bangladesh, kills 500 |
| 1989 | Mandatory seatbelt law goes into effect in Italy |
| 1987 | U.S. Justice Department bars Austrian Chancellor Kurt Waldheim from entering U.S., due to his aid of Nazi Germany during WW II |
| 1986 | "Sweet Charity" opens at Minskoff Theater New York City for 368 performances |
| 1986 | Captain Midnight (John R. MacDougall) interrupts HBO |
| 1986 | Pat Bradley wins LPGA S&H Golf Classic |
| 1984 | Cleveland Indians beat Detroit Tigers, 8-4, in 19 innings |
| 1984 | Over 70 inches of snow falls on Red Lake Montana |
| 1983 | Nolan Ryan becomes strikeout king (3,509), passing Walter Johnson |
| 1982 | Nordiques 1-Isles 4-Semifinals-Isles hold 1-0 lead |
| 1982 | Trial of John W. Hinckley, Jr. attempted assassin of Reagan, begins |
| 1981 | 1st female soccer official is hired by NASL |
| 1981 | Beatle Ringo Starr marries actress Barbara Bach [Goldbach] |
| 1979 | George Harrison releases "Love Comes to Everyone" |
| 1978 | 14th Mayor's Trophy Game, Yankees beat Mets 4-3 in 11 |
| 1978 | Afghanistan revolution (National Day), pro-Russian military coup |
| 1977 | Bloody riots in Soweto South Africa |
| 1977 | HCC, Hobby Computer Club, forms in Netherlands |
| 1976 | "So Long 174th St" opens at Harkness Theater New York City for 16 performances |
| 1976 | Arabic Monetary Fund established in Abu Dhabi |
| 1975 | Sandra Haynie wins LPGA Charity Golf Classic |
| 1975 | U.S.S.R. performs nuclear test at Semipalitinsk, Eastern Kazakhstan U.S.S.R. |
| 1974 | Pan Am 707 crashes into mountains of Bali, killing 107 |
| 1973 | Kansas City Royal Steve Busby no-hits Detroit Tigers, 3-0 |
| 1972 | Apollo 16 returns to Earth |
| 1972 | New York City Mayor John Lindsey appeals that John Lennon not be deported |
| 1971 | Curt Flood resigns Senators after 13 games and departs for Denmark |
| 1969 | Carol Mann wins LPGA Raleigh Ladies Golf Invitational |
| 1968 | "Education of Hyman Kaplan" closes at Alvin New York City after 28 performances |
| 1968 | Baltimore Oriole Tom Phoebus no-hits Boston, 6-0 |
| 1968 | Congress of Political Party Radicals (PPR) forms in Netherlands |
| 1967 | Expo '67 opens in Montreal |
| 1967 | Rocky Marciano retires as undefeated boxing champ |
| 1967 | U.S. performs nuclear test at Nevada Test Site |
| 1966 | Dmitri Shostakovich completes his 2nd cello concert |
| 1965 | "I'm Solomon" closes at Mark Hellinger Theater New York City after 7 performances |
| 1965 | RC Duncan patents "Pampers" disposable diaper |
| 1964 | John Lennon's "In His Own Write" is published in U.S. |
| 1963 | "Jopie" Pengel forms government in Suriname |
| 1963 | Cuban premier Fidel Castro arrives in Moscow |
| 1962 | Arnold Wesker's "Chips with Everything," premieres in London |
| 1962 | U.S. performs atmospheric nuclear test at Christmas Island |
| 1961 | NASA launches Explorer 11 into Earth orbit to study gamma rays |
| 1961 | NFL officially recognizes Hall of Fame in Canton, Ohio |
| 1961 | Sierra Leone declares independence from U.K. |
| 1960 | 1st atomic powered electric-drive submarine launched, the Tullibee |
| 1960 | South Korean President Syngman Rhee resigns |
| 1960 | Togo (formerly French Togo) declares independence from French Admiral |
| 1959 | "Today" show goes abroard 1st time (Paris France) |
| 1959 | Liu Sjau-chi elected president of China PR |
| 1956 | Burma Premier U Nu's Volksliga voor Vrijheid loses election |
| 1956 | Heavyweight champ, Rocky Marciano, retires undefeated from boxing |
| 1953 | 1st general elections in British Guyana, won by Jagans PPP |
| 1953 | Wrestler Freddie Blassie coins term "Pencil neck geek" |
| 1952 | "4 Saints in 3 Acts" closes at Broadway Theater New York City after 15 performances |
| 1951 | Mohammed Mossadeq chosen premier of Persia |
| 1950 | "Tickets, Please" opens at Coronet Theater New York City for 245 performances |
| 1950 | South Africa passes Group Areas Act segregating races |
| 1948 | Arab legion attacks Gesher bridge on Jordan River |
| 1947 | Babe Ruth Day celebrated at Yankee Stadium and through out United States |
| 1946 | 1st radar installation aboard a coml ship installed |
| 1945 | 2nd Republic of Austria forms |
| 1945 | Italian partisans capture Mussolini prisoner |
| 1945 | U.S. 5th army enters Genua |
| 1944 | Boston Brave Jim Tobin no-hits Brooklyn Dodgers, 2-0 |
| 1943 | Lou Jansen and Jan Dieters arrested, lead illegal CPN party in Holland |
| 1943 | Soviet Union breaks contact with Polish government exiled in London |
| 1942 | Belgium Jews are forced to wear stars |
| 1942 | Tornado destroys Pryor, Oklahoma killing 100, injuring 300 |
| 1941 | German troops occupy Athens Greece |
| 1940 | Himmler orders establishment of Auschwitz Concentration Camp |
| 1937 | U.S. Social Security system makes its 1st benefit payment |
| 1935 | Brussel's World Expo opens |
| 1935 | Yankees pull a 1st inning triple-play and beat Philadelphia A's 9-8 |
| 1933 | Karl Jansky reports reception of cosmic radio signal in Washington D.C. |
| 1931 | 100 degrees F (38 degrees C), Pahala, Hawaii (state record) |
| 1926 | In the Giants' 9-8 win over Phillies, Mel Ott, 17, 1st appearance |
| 1924 | Antwerp soccer tie Belgium-Netherlands 1-1 |
| 1923 | Mussolini government italian place in South Tirol/Alto Adige |
| 1922 | Fritz Langs "Dr. Mabuse, der Spieler" premieres in Berlin |
| 1922 | Yakut ASSR formed in Russian SFSR |
| 1921 | Hadjememaar, Corn de Gelder, elected in Amsterdam |
| 1920 | Pogrom leader Petljoera declares Ukraine Independence |
| 1918 | Giants' 9-0 winning start and Dodgers' 0-9 losing streak are stopped |
| 1912 | Relief laws replaces those of 1854, in Netherlands |
| 1910 | Belgian parliament rejects socialist motion for general voting rights |
| 1909 | Sultan of Turkey Abdul Hamid II is overthrown |
| 1908 | 4th modern Olympic games opens in London |
| 1905 | World Exposition opens in Luik |
| 1903 | 1st Highlander (Yankee) shut-out, Philadelphia A's win 6-0 |
| 1903 | Long Island's Jamaica Race Track opens |
| 1897 | Grant's Tomb (famed of song and legend) dedicated |
| 1890 | French troops under Captain Archinard occupy Oussebougou West Sudan |
| 1881 | Pogroms against Russian Jews start in Elisabethgrad |
| 1877 | Opera "Le Roi de Lahore" is produced (Paris) |
| 1877 | President Hayes removes Federal troops from LA, Reconstruction ends |
| 1874 | White League, Paramilitary white supremacist organization, forms |
| 1870 | Heinrich Schliemann discovers Troi |
| 1867 | Opera "Romeo et Juliette" is produced (Paris) |
| 1865 | Cornell University in Ithaca,New York is chartered |
| 1865 | Steamboat "Sultana" explodes in Mississippi River, kills up to 1,547. 1450 of 2000 paroled Union POWs on their way home are killed when river steamer "Sultana" blows up |
| 1863 | Battle of Streight's raid: Tuscumbia to Cedar Bluff, AL |
| 1861 | President Abe Lincoln suspends writ of habeas corpus |
| 1861 | West Virginia secedes from Virginia after Virginia secedes from U.S. |
| 1860 | Thomas J. Jackson is assigned to command Harpers Ferry |
| 1859 | "Pomona" sinks in North Atlantic drowning all 400 aboard |
| 1857 | Establishment of Jewish congregations in Lower Austria prohibited |
| 1841 | Imakita Kosen, 1st Zen teacher of D. T. Suzuki, found the awakening |
| 1838 | Fire destroys half of Charleston |
| 1828 | Zoological Gardens at Regent's Park London, opens |
| 1813 | Americans under General Pike capture Toronto; Pike is killed |
| 1805 | U.S. Marines attack shores of Tripoli |
| 1773 | British Parliament passes Tea Act (Boston won't like this) |
| 1694 | Frederik August I "the Strong" becomes monarch of Saksen |
| 1662 | Netherlands and France sign military covenant |
| 1650 | Scottish general Montrose defeated |
| 1646 | King Charles I flees Oxford |
| 1643 | Tirso de Molina's "Bellaco Sois, Gomez," premieres in Madrid |
| 1576 | Peace of Beaulieu and Paix de Monsieur |
| 1565 | 1st Spanish settlement in Philippines, Cebu City, forms |
| 1526 | Mogol King Babur beats sultan of Delhi |
| 1522 | Battle at Bicacca: Charles I and Pope Adrianus VI beat France |
| 1518 | Treaty of St. Truiden: anti-French Trapdoors/Bourgondisch covenant |
| 1509 | Pope Julius II excommunicates Italian state of Venice |