Yes, I did.
I mean I don't find anything interesting.
Events
* 1653 - Oliver Cromwell disbands the British Parliament.
* 1657 - Jews of New Amsterdam (later New York City) granted freedom of religion.
* 1689 - The former King James II of England, now deposed, lays siege to Derry.
* 1775 - American Revolutionary War: British troops begin siege of Boston, Massachusetts
* 1792 - France declares war on Austria.
* 1836 - U.S. Congress passes an act creating the Wisconsin Territory.
* 1861 - American Civil War: Robert E. Lee resigns his commission in the United States Army in order to command the forces of the state of Virginia.
* 1862 - The first pasteurization test completed by Louis Pasteur and Claude Bernard.
* 1884 - Pope Leo XIII publishes the encyclical, Humanum Genus.
* 1902 - Pierre and Marie Curie refine radium chloride.
* 1908 - Opening day of competition of the New South Wales Rugby League.
* 1912 - Opening day for baseball stadiums Tiger Stadium in Detroit, Michigan, and Fenway Park in Boston, Massachusetts.
* 1914 - Twenty men, women, and children die in the Ludlow Massacre during a bitter Colorado coal-miner's strike.
* 1918 - Manfred von Richthofen, aka The Red Baron, shoots down his 79th and 80th victims marking his final victories before his death the following day.
* 1926 - Western Electric and Warner Bros. announce Vitaphone, a process to add sound to film.
* 1945 - US troops capture Leipzig, Germany, only to later cede the city to the Soviet Union.
* 1967 - A Swiss Britannia turboprop crashes at Nicosia, Cyprus, killing 126
* 1968 - A South African Airways Boeing 707 crashes during takeoff at Windhoek, South-West Africa, killing 122.
* 1968 - Pierre Trudeau succeeds Lester B. Pearson as Prime Minister of Canada.
* 1968 - English politician Enoch Powell makes his controversial Rivers of Blood Speech.
* 1972 - Apollo 16 lands on the Moon.
* 1979 - President Jimmy Carter is attacked by a Swamp Rabbit while on vacation in Plains, Georgia.
* 1992 - An all-star concert in memory of Queen frontman Freddie Mercury is held at Wembley Stadium in London.
* 1997 - The San Diego Padres face the St. Louis Cardinals in the first Major League Baseball game ever played in Hawaii.
* 1998 - An Air France Boeing 727-200 crashes into mountain after takeoff from Bogotá, Colombia, killing 53.
* 1999 - Eric Harris and Dylan Klebold kill 12 students and a teacher before turning their guns on themselves in the Columbine High School massacre.
* 2001 - Anti-globalization marches and a "People's Summit" are held to protest the Quebec City Summit of the Americas, a FTAA summit in Quebec City, Quebec.
* 2004 - Severe thunderstorms strike Chicagoland, USA. An F3 tornado touches down in Utica, Illinois, claiming eight lives.
Births
* 571 - Muhammad (Likely) (d. 634)
* 702 - Jafar Sadiq, Muslim scholar (d. 765)
* 1586 - Rose of Lima, the first saint in the Americas (d. 1617)
* 1633 - Emperor Go-Komyo of Japan (d. 1654)
* 1745 - Philippe Pinel, physician (d. 1826)
* 1808 - Emperor Napoleon III of France (d. 1873)
* 1818 - Heinrich Göbel, inventor (d. 1893)
* 1832 - Ernst von Leyden, physician (d. 1910)
* 1871 - Slavoljub Eduard Penkala, Croat inventor, (d. 1922)
* 1879 - Paul Poiret, French couturier (d. 1944)
* 1889 - Albert Jean Amateau, businessman and social activist (d. 1996)
* 1889 - Adolf Hitler, German (Austrian-born) dictator, "Führer" and Reichskanzler (d. 1945)
* 1893 - Joan Miró, painter (d. 1983)
* 1893 - Harold Lloyd, actor (d. 1971)
* 1895 - Emile Christian, jazz musician (d. 1973)
* 1896 - Wop May, Canadian aviator (d. 1952)
* 1900 - Fred Raymond, composer (d. 1954)
* 1908 - Lionel Hampton, musician (d. 2002)
* 1915 - Joseph Wolpe, psychotherapist (d. 1997)
* 1920 - John Paul Stevens, associate justice of the Supreme Court of the United States
* 1923 - Rita Frances Rizzo, in Canton, Ohio. She became Mother Angelica, Foundress of Eternal Word Television Network
* 1925 - Tito Puente, musician (d. 2000)
* 1928 - Gerald S. Hawkins, astronomer (d. 2003)
* 1939 - Gro Harlem Brundtland, former Prime Minister of Norway
* 1939 - Peter S. Beagle, author
* 1940 - George Takei, actor, Star Trek
* 1941 - Ryan O'Neal, actor
* 1943 - John Eliot Gardiner, English conductor
* 1943 - Edie Sedgwick, actress (d. 1971)
* 1949 - Jessica Lange, actress
* 1951 - Luther Vandross, singer
* 1961 - Don Mattingly, baseball player
* 1962 - Hank The Angry Drunken Dwarf, radio and television personality (d. 2001)
* 1964 - Crispin Glover, actor
* 1964 - Rosalynn Sumners, figure skater
* 1964 - Andy Serkis, actor
* 1967 - Mike Portnoy, musician
* 1972 - Carmen Electra, actress
* 1976 - Joey Lawrence, actor
* 2000 - Funny Cide, winner of the 2003 Kentucky Derby and Preakness Stakes
Deaths
* 1314 - Pope Clement V (b. 1264)
* 1534 - Elizabeth Barton, Christian prophet, executed (b. ~ 1506)
* 1769 - Pontiac, Chief of the Ottawa tribe (b. ~ 1720)
* 1912 - Bram Stoker, author (b. 1847)
* 1932 - Giuseppe Peano, mathematician (b. 1858)
* 1947 - King Christian X of Denmark (b. 1870)
* 1951 - Ivanoe Bonomi, former Prime Minister of Italy (b. 1873)
* 1982 - Archibald MacLeish, poet and writer (b. 1892)
* 1984 - Hristo Prodanov, Bulgarian mountaineer
* 1992 - Benny Hill, comedian (b. 1924)
* 1996 - Christopher Robin Milne, son of A.A. Milne, basis for the Winnie the Pooh character Christopher Robin
* 2001 - Giuseppe Sinopoli, Italian conductor, composer (b. 1946)
* 2002 - Alan Dale, singer (b. 1925)
Holidays and observances
* 2003, 2014 - Easter Sunday
*
April 20 (4/20) is associated with 420 (drug culture)
EDIT: Didn't really read the last line