| 2013 | Prosecutors for Boston Marathon bomber and Islamic terrorist Dzhokar Tsarnaev discuss a plea deal to avoid the death penalty in exchange for life in prison without parole |
| 2013 | An NBA league committee recommends NBA owners reject the big from a group led by Chris Hansen and Steve Ballmer to purchase the Sacramento Kings and move them to Seattle |
| 2012 | Accused of spying, Sudan arrest four foreigners in the disputed border region with South Sudan |
| 2012 | The decision of the Economic Community of West African States to deploy troops to the country is rejected by Mali coup leader Amadou Haya Sanogo |
| 2010 | Economic losses mount and class action lawsuits are filed as the U.S. Coast Guard plans a controlled burn to remove spilled oil from the Deepwater Horizon disaster |
| 1998 | 15th Miss Hawaiian Tropic crowned |
| 1997 | "Candide," opens at Gershwin Theater New York City for 103 performances |
| 1997 | Kansas City Royal Chili Davis is 75th to hit 300 home runs |
| 1996 | "Rent," opens at Nederlander Theater New York City |
| 1996 | Howard Stern Radio Show premieres in Fresno, California on KFRR 104.1 FM |
| 1995 | Final TV broadcast of "Empty Nest" on NBC TV |
| 1995 | Kansas City Royal John Nonely is 70th to home run on his 1st at bat |
| 1994 | Ferry boat smashes into Mombasa Harbor Kenya, kills over 300 |
| 1994 | Israel and PLO sign economic accord |
| 1992 | "Falsettos" opens at John Golden Theater New York City for 487 performances |
| 1992 | 27th Academy of Country Music Awards: Garth Brooks |
| 1992 | Country singer Doug Stone, 35, undergoes quadruple bypass surgery |
| 1992 | Jury acquits Los Angeles police officers of beating Rodney King, riots begin |
| 1992 | Sheena Easton collapses on stage while performing in "Man of LaMancha" |
| 1992 | Voting ends on choice of Elvis stamps |
| 1991 | "Our Country's Good" opens at Nederlander Theater New York City for 48 performances |
| 1991 | Croatia declares independence |
| 1991 | Cyclone strikes Bangladesh, 139,000 die/10 million homeless |
| 1991 | Earthquake in Georgia, kills 100 |
| 1990 | "Change in the Heir" opens at Edison Theater New York City for 16 performances |
| 1990 | Dan Quisenberry (all-time AL save king, 238) announces his retirement |
| 1990 | STS-31 (Discovery 10) lands |
| 1990 | Wrecking cranes began tearing down Berlin Wall at Brandenburg Gate |
| 1989 | 2nd government of Lubbers falls |
| 1988 | "60 Minutes" newscaster Diane Sawyer weds Mike Nichols |
| 1988 | Burt Reynolds and Loni Anderson marry |
| 1988 | Orioles beat White Sox 9-0 for 1st 1988 win after 21 loses |
| 1987 | Chicago Cub Andre Dawson hits for cycle |
| 1987 | Japan's premier Nakasone visits the U.S. |
| 1986 | 800,000 books destroyed by fire in Los Angeles Central Library |
| 1986 | Boston Red Sox Roger Clemens strikes out 20 Seattle Mariners |
| 1985 | 17th space shuttle mission (51-B)-Challenger 7 launched |
| 1985 | Ranger Larry Parrish is 5th to hit 3 home runs in a game in both leagues |
| 1985 | Tony Tubbs TKOs Greg Page in 15 for heavyweight boxing title |
| 1984 | "Oliver!" opens at Mark Hellinger Theater New York City for 17 performances |
| 1984 | Betsy King wins LPGA Freedom/Orlando Golf Classic |
| 1983 | Harold Washington sworn in as Chicago's 1st black mayor |
| 1982 | 17th Academy of Country Music Awards: Alabama, Barbara Mandrell |
| 1982 | Alfredo Magana elected President of El Salvador |
| 1982 | Nordiques 2-Isles 5-Semifinals-Isles hold 2-0 lead |
| 1981 | Peter Sutcliffe admits he is the Yorkshire Ripper (murdered 13 women) |
| 1981 | Phillie Steve Carlton is 1st lefty to strike out 3,000 batters |
| 1979 | Jane Blalock wins LPGA Otey Crisman Golf Classic |
| 1977 | British Aerospace forms |
| 1976 | Minister Irene Vorrink begins fluoridating Dutch drinking water |
| 1975 | Ethiopia nationalizes all ground/earth |
| 1975 | Flyers 4-Isles 0-Semifinals-Flyers hold 1-0 lead |
| 1974 | President Nixon said he will release edited tapes made in White House |
| 1973 | Gloria Ehret wins LPGA Birmingham Golf Classic |
| 1971 | Bill Graham closes down Fillmore and Fillmore East |
| 1971 | Boeing receives contract for Mariner 10, Mercury exploration |
| 1971 | U.S. performs nuclear test at Nevada Test Site |
| 1970 | 50,000 U.S. and South Vietnamese troops invade Cambodia |
| 1969 | "Trumpets of the Lord" opens at Brooks Atkinson New York City for 7 performances |
| 1968 | "Hair" opens at Biltmore Theater New York City for 1750 performances |
| 1967 | Aretha Franklin releases "Respect" |
| 1965 | Australian government announces it would send troops to Vietnam |
| 1965 | Earthquake hits Seattle; 5 die |
| 1965 | Malta is 18th member of Council of Europe |
| 1964 | Princess Irene marries Spanish prince Carel Hugo de Bourbon Parma |
| 1964 | U.S. performs nuclear test at Nevada Test Site |
| 1963 | KRE-AM in Berkeley, California changes call letters to KPAT |
| 1962 | 16th Tony Awards: Man For All Seasons and How to Succeed win |
| 1962 | Mickey Wright wins LPGA Titleholders Golf Championship |
| 1961 | ABC's "Wide World of Sports, debuts |
| 1957 | 1st military nuclear power plant dedicated, Fort Belvoir Va |
| 1956 | Betsy Rawls wins LPGA Peach Blossom Golf Open |
| 1956 | WLUC TV channel 6 in Marquette, MI (CBS/NBC/ABC) begins broadcasting |
| 1956 | WSPA TV channel 7 in G'ville-Spartanburg, South Carolina (CBS) begins broadcasting |
| 1956 | WWBT TV channel 12 in Richmond, Virginia (NBC) begins broadcasting |
| 1955 | G. Gronchi elected president of Italy |
| 1953 | Joe Adcock is 1st to homer into Polo Grounds' center field bleachers |
| 1948 | Bradman scores 107 Australia vs. Worcs, 152 minutes, 15 fours |
| 1946 | 28 former Japanese leaders indicted in Tokyo as war criminals |
| 1945 | 1st food drop by RAF above nazi-occupied Holland (operation Manna) |
| 1945 | Japanese army evacuates Rangoon |
| 1945 | Terms of surrender of German armies in Italy signed |
| 1945 | U.S. liberates 31,601 in Nazi concentration camp in Dachau Germany |
| 1945 | Venice and Mestre were captured by the Allies |
| 1944 | Surprise attack by Van de Peat on General Landsdrukkerij in the Hague |
| 1943 | Dietrich Bonhoffer arrested by nazis |
| 1943 | Noel Coward's "Present Laughter," premieres in London |
| 1943 | U.S. 34th Division occupies Hill 609, North Tunisia |
| 1942 | Japanese troop march into Lashio, cuts off Burma Road |
| 1942 | Jews forced to wear a Jewish Star in Netherlands and Vichy-France |
| 1940 | 1st radio broadcast of "Young Dr. Malone" on CBS |
| 1940 | Norwegian King Haakon and government flees to England |
| 1940 | Robert Sherwood's "There Shall be No Night," premieres in New York City |
| 1939 | Whitestone Bridge connecting Bronx and Queens opens |
| 1936 | 1st pro baseball game in Japan is played Nagoya defeats Daitokyo, 8-5 |
| 1934 | Pittsburgh is last major league city to play a home game on a Sunday |
| 1931 | Cleveland Indian Wes Ferrell no-hits St. Louis Browns, 9-0 |
| 1930 | 123 runs are scored in 7 major league games |
| 1930 | North Sea floodgate at Ijmuiden (biggest in world) officially opens |
| 1930 | Telephone connection England-Australia goes into service |
| 1927 | Construction of Spirit of St. Louis is completed |
| 1926 | France and U.S. reach accord on repayment of WW I |
| 1925 | Netherlands returns to gold standard |
| 1922 | 1st official International Weightlifting Federation Champ (Tallinn, Estonia) |
| 1918 | Tris Speaker ties career outfield record of 4 unassisted double plays |
| 1916 | Irish nationalists set post office on fire in Dublin |
| 1913 | Swedish engineer Gideon Sundback of Hoboken patents all-purpose zipper |
| 1912 | 108 degrees F (42 degrees C), Tuguegarao, Philippines (Oceania record) |
| 1912 | Frank Wedekind's "Tod und Teufel," premieres in Berlin |
| 1910 | Ex-president Theodore Roosevelt visits Amsterdam |
| 1905 | 2" rain falls in 10 minutes in Taylor, Texas |
| 1905 | Pierre de Brazza lands in Libreville Gabon |
| 1903 | Limestone slides at Turtle Mountain kills 9 (Frank Alberta) |
| 1901 | 27th Kentucky Derby: Jimmy Winkfield on His Eminence wins in 2:07.75 |
| 1901 | Anti semitic riot in Budapest |
| 1894 | Commonweal of Christ (Coxey's Army) arrives in Wash, DC 500 strong to protest unemployment; Coxey arrested for trespassing at Capitol |
| 1892 | Charlie Reilly is baseball's 1st pinch hitter |
| 1888 | Old Kavallison, Congo: Stanley meet Emin Pasha |
| 1886 | 1st public Dutch electricity opens |
| 1864 | Skirmish at Jenkins' Ferry, Arkansas |
| 1862 | 100,000 federal troops prepare to march into Corinth, Mississippi |
| 1862 | New Orleans fell to Union forces during Civil War |
| 1861 | Maryland's House of Delegates votes against seceding from Union |
| 1857 | U.S. Army, Pacific Div HQ permanently forms at Presidio |
| 1856 | Peace between England and Russia |
| 1853 | Comet C/1853 G1 (Schweizer) approaches within 0.0839 AUs of Earth |
| 1852 | 1st edition of Peter Roget's Thesaurus published |
| 1845 | Macon B. Allen and Robert Morris, Jr., 1st blacks to open law practice |
| 1834 | Charles Darwin's expedition sees top of Andes from Patagonia |
| 1813 | Rubber is patented |
| 1793 | Cornerstone laid for Groningen's new townhall |
| 1784 | Premiere of Mozart's Sonata in B flat, K454 (Vienna) |
| 1781 | French fleet occupies Tobago |
| 1781 | French fleet stopped Britain from seizing the Cape of Good Hope |
| 1715 | John Flamsteed observes Uranus for 6th time |
| 1707 | English/Scottish parliament accept Act of Union, form Great Britain |
| 1706 | Emperor Jozef I becomes monarch of Cologne/Bavaria |
| 1701 | Drenthe Netherlands adopts Gregorian calendar, tomorrow is May 12, 1701 |
| 1670 | Pope Clemens X elected |
| 1661 | Chinese Ming dynasty occupies Taiwan |
| 1644 | Farm leader Li Zicheng becomes emperor of China and flees Peking |
| 1636 | Prince Frederik Henry occupies Schenkenschans |
| 1628 | Sweden and Denmark sign defense treaty against Duke of Wallenstein |
| 1623 | 11 Dutch ships depart for the conquest of Peru |
| 1553 | Flemish woman introduces practice of starching linen into England |
| 1550 | Emperor Charles V gives inquisiters additional authority |
| 1540 | Emperor Charles declares all privileges of Gent ended |
| 1522 | Emperor Charles V names Frans van Holly inquisitor-general of Netherlands |
| 1429 | Joan of Arc leads Orleans, France, to victory over English |
| 1091 | Battle at Monte Levunium: Emperor Alexius I beats Petshegenes |