So you want to have a drink but you aren't sure why? Here are some GREAT reasons to call your friends over and have a party.

April 13th


- Christian Feast Day:
- Jefferson's Birthday (United States)
- New Year festivals in South and Southeast Asian cultures. (see April 14):
Cambodian New Year (Cambodia)
- First day of Songkan (Laos)
- First day of Songkran (Thailand)

April 13th


- 2009 - Citi Field opens to almost 44,000 people in a game lost by the New York Mets 6-5 to the San Diego Padres.
- 1997 - Tiger Woods becomes the youngest golfer to win The Masters Tournament.
- 1992 - The Great Chicago Flood.
- 1987 - Portugal and the People's Republic of China sign an agreement in which Macau would be returned to China in .
- 1984 - India moves into Siachen Glacier thus annexing more territory from the Line of Control.
- 1983 - Harold Washington is elected as the first African-American mayor in Chicago's history.
- 1976 - The United States Treasury Department reintroduced the two-dollar bill as a Federal Reserve Note on Thomas Jefferson's 233rd birthday as part of the United States Bicentennial celebration.
- 1975 - Bus Massacre in Lebanon: Attack by the Phalangist resistance kill 26 militia members of the P.F.L. of Palestine, marking the start of the 15-year Lebanese Civil War.
- 1974 - Western Union (in cooperation with NASA and Hughes Aircraft) launches the United States' first commercial geosynchronous communications satellite, Westar 1.
- 1972 - The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.
- 1970 - An oxygen tank aboard Apollo 13 explodes, putting the crew in great danger and causing major damage to the spacecraft while en route to the Moon.
- 1969 - Closure of the Brisbane tramway network.
- 1963 - At the Academy Awards, Sidney Poitier becomes the first African-American male to win the Best Actor award for Lilies of the Field.
- 1958 - Van Cliburn is the first American to win the Tchaikovsky Competition in Moscow.
- 1953 - CIA director Allen Dulles launches the mind-control program MKULTRA.
- 1948 - The Hadassah medical convoy massacre: In an ambush, 79 Jewish doctors, nurses and medical students from Hadassah Hospital and a British soldier are massacred by Arabs in Sheikh Jarra near Jerusalem.
- 1945 - German troops kill more than 1,000 political and military prisoners in Gardelegen Germany.
- 1944 - Diplomatic relations between New Zealand and the Soviet Union are established.
- 1943 - World War II: The discovery of a mass grave of Polish prisoners of war executed by Soviet forces in the Katy? Forest Massacre is announced, alienating the Western Allies, the Polish government in exile in London, from the Soviet Union.
- 1943 - James Boarman, Fred Hunter, Harold Brest and Floyd G. Hamilton take part in an attempt to escape from Alcatraz .
- 1943 - The Jefferson Memorial is dedicated in Washington, D.C., on the 200th anniversary of Thomas Jefferson's birth.
- 1941 - Pact of neutrality between the USSR and Japan is signed.
- 1939 - In India, the Hindustani Lal Sena (Indian Red Army) is formed and vows to engage in armed struggle against the British.
- 1921 - Foundation of the Spanish Communist Workers' Party.
- 1919 - The Establishment of the Provisional Government of the Republic of Korea.
- 1919 - Jallianwala Bagh massacre: British troops massacre at least 379 unarmed demonstrators in Amritsar, India. At least 1200 wounded.
- 1919 - Eugene V. Debs enters prison at the Atlanta Federal Penitentiary in Atlanta, Georgia, for speaking out against the draft during World War I.
- 1902 - James C. Penney opens his first store in Kemmerer, Wyoming.
- 1873 - The Colfax Massacre takes place.
- 1870 - The Metropolitan Museum of Art founded.
- 1868 - The Abyssinian War ends as British and Indian troops capture Magdala.
- 1861 - American Civil War: Fort Sumter surrenders to Confederate forces.
- 1849 - Hungary becomes a republic.
- 1829 - The British Parliament grants freedom of religion to Roman Catholics.
- 1796 - The first elephant ever seen in the United States arrives from India.
- 1742 - George Frideric Handel's oratorio Messiah makes its world-premiere in Dublin, Ireland.
- 1612 - Miyamoto Musashi defeats Sasaki Kojiro at Funajima island.
- 1598 - Henry IV of France issues the Edict of Nantes, allowing freedom of religion to the Huguenots. (Edict repealed in .)
- 1256 - The Grand Union of the Augustinian order formed when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae.
- 1250 - The Seventh Crusade is defeated in Egypt, Louis IX of France is captured.
- 1204 - Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire.
- 1111 - Henry V is crowned Holy Roman Emperor.

April 13th


- 1988 - Anderson, Brazilian footballer
- 1987 - Brandon Hardesty, American internet entertainer
- 1987 - Massimiliano Pesenti, Italian footballer
- 1984 - Hiro Mizushima, Japanese actor
- 1983 - Schalk Burger, South African rugby player
- 1983 - Hunter Pence, American baseball player
- 1982 - Nellie McKay, American singer
- 1982 - Janice Vidal, Hong Kong singer
- 1982 - Jill Vidal, Hong Kong singer
- 1981 - Courtney Peldon, American actress
- 1981 - Nat Borchers, American soccer player
- 1980 - Jana Cova, Czech pornographic actress
- 1980 - Quentin Richardson, American basketball player
- 1980 - Colleen Clinkenbeard, American voice actress
- 1979 - Baron Davis, American basketball player
- 1979 - Meghann Shaughnessy, American tennis player
- 1978 - Arron Asham, Canadian ice hockey player
- 1978 - Kyle Howard, American actor
- 1978 - Carles Puyol, Catalan footballer
- 1978 - Chris Sligh, American Idol finalist
- 1978 - James Jordan, English professional ballroom dancer
- 1976 - Jonathan Brandis, American actor (d. 2003)
- 1976 - Valentina Cervi, Italian actress
- 1976 - Patrik Eliáš, Czech ice hockey player
- 1976 - Glenn Howerton, American actor
- 1976 - Yu Ji-tae, South Korean actor
- 1975 - Lou Bega, German-born musician and artist
- 1975 - Bruce Dyer, English footballer
- 1975 - David Philip Hefti, Swiss composer and conductor
- 1974 - Sergei Gonchar, Russian ice hockey player
- 1974 - David Zdrili?, Australian soccer player
- 1974 - David Schurmann, Brazilian film director
- 1974 - Darren Turner , British racing driver
- 1972 - Mariusz Czerkawski, Polish ice hockey player
- 1972 - Aaron Lewis, American singer (Staind)
- 1971 - Dina Korzun, Russian actress
- 1971 - Bo Outlaw, American basketball player
- 1971 - Valensia, Dutch singer
- 1970 - Monty Brown, American professional wrestler
- 1970 - Gerry Creaney, Scottish footballer
- 1970 - Rick Schroder, American actor
- 1970 - Szilveszter Csollány, Hungarian gymnast
- 1970 - Ricardo Rincon, Mexican baseball player
- 1967 - Olga Tañón, Puerto Rican singer
- 1967 - Dana Barros, American basketball player
- 1966 - Ali Boumnijel, Tunisian football player
- 1966 - Mando, Greek singer
- 1966 - Marc Ford, American musician
- 1965 - Patricio Pouchulu, Argentine architect
- 1964 - Davis Love III, Professional Golfer
- 1964 - Caroline Rhea, Canadian actress
- 1963 - Garry Kasparov, Russian chess player
- 1962 - Dave Miley, former baseball player and manager
- 1962 - Hillel Slovak, Israeli-born guitarist (d. 1988)
- 1961 - Hiro Yamamoto, American rock bassist
- 1960 - Rudi Völler, German football coach
- 1960 - Bob Casey, Jr., Democratic U.S. Senator from Pennsylvania
- 1960 - Olaf Ludwig, German cyclist
- 1957 - Saundra Santiago, American actress
- 1957 - Gary Kroeger, American actor
- 1957 - Dallas Moir, Scottish cricketer
- 1957 - Amy Goodman, American activist, host of Democracy Now
- 1956 - Peter 'Possum' Bourne, New Zealand rally driver (d. 2003)
- 1955 - Lupe Pintor, Mexican boxer
- 1955 - Ole von Beust, Mayor of Hamburg
- 1954 - Jimmy Destri, American keyboardist
- 1954 - Niels Olsen, Danish singer
- 1954 - Barbara Roche, British politician
- 1953 - Stephen Byers, British politician
- 1952 - Ron Dittemore, American space administrator
- 1952 - David Drew, British politician
- 1952 - Erick Avari, British-Indian actor
- 1951 - Peabo Bryson, American singer
- 1951 - Peter Davison, English actor
- 1951 - Joachim Streich, East German footballer
- 1951 - Max Weinberg, American drummer
- 1950 - Terry Lester, American actor (d. 2003)
- 1950 - Ron Perlman, American actor
- 1950 - William Sadler, American actor
- 1949 - Frank Doran, Scottish politician
- 1949 - Christopher Hitchens, English-born journalist, critic, and author
- 1949 - Ricardo Zunino, Argentine racing driver
- 1948 - Sue Doughty, British politician
- 1948 - Nam Hae-il, Chief of Naval Operations of Republic of Korea Navy
- 1948 - Drago Jan?ar, Slovenian writer
- 1947 - Thanos Mikroutsikos, Greek composer & former minister
- 1946 - Al Green, American singer and pastor
- 1945 - Tony Dow, American actor
- 1945 - Lowell George, American singer/guitarist (d. 1979)
- 1945 - Bob Kalsu, American football player (d. 1970)
- 1945 - Judy Nunn, Australian actress
- 1945 - Charles Robinson, American actor
- 1944 - Jack Casady, American musician
- 1944 - Susan Davis, American politician
- 1944 - Brian Pendleton, musician (d. 2001)
- 1943 - Billy Kidd, American skier
- 1942 - Bill Conti, American composer
- 1942 - Ataol Behramoglu Turkish poet and writer.
- 1941 - Michael Stuart Brown, American geneticist, Nobel laureate
- 1940 - Mike Beuttler, British racing driver (d. 1988)
- 1940 - J.M.G. Le Clézio, French novelist, Nobel laureate in Literature.
- 1940 - Jim McNab, Scottish footballer (d. 2006)
- 1939 - Seamus Heaney, Irish writer, Nobel laureate
- 1939 - Paul Sorvino, American actor
- 1937 - Edward Fox, English actor
- 1937 - Lanford Wilson, American playwright
- 1935 - Lyle Waggoner, American actor
- 1933 - Ben Nighthorse Campbell, U.S. politician
- 1932 - Orlando Letelier, Chilean politician (d. 1976)
- 1931 - Robert Enrico, French film director and screenwriter (d. 2001)
- 1931 - Dan Gurney, American race car driver and team owner
- 1931 - Jon Stone, co-creator of Sesame Street (d. 1997)
- 1928 - Alan Clark, English politician (d. 1999)
- 1927 - Maurice Ronet, French film actor (d. 1983)
- 1926 - John Spencer-Churchill, 11th Duke of Marlborough
- 1926 - Ellie Lambeti, Greek actress (d. 1983)
- 1924 - Jack Chick, American evangelist
- 1924 - Stanley Donen, American film director
- 1923 - Don Adams, American actor and comedian (d. 2005)
- 1922 - John Braine, British novelist (d. 1986)
- 1922 - Julius Nyerere, Tanzanian First President and Father of the Nation (d. 1999)
- 1920 - Roberto Calvi, Italian banker (d. 1982)
- 1920 - Claude Cheysson, French politician
- 1920 - Liam Cosgrave, fifth Taoiseach of the Republic of Ireland
- 1920 - John LaPorta, American musician (d. 2004)
- 1919 - Howard Keel, American actor, singer, and president of the Screen Actors Guild (d. 2004)
- 1919 - Madalyn Murray O'Hair, American atheist activist (d. 1995)
- 1919 - Phil Tonken, American radio and television announcer (d. 2000)
- 1919 - Roland Gaucher, French journalist (d. 2007)
- 1917 - Robert O. Anderson, American businessman (d. 2007)
- 1916 - Phyllis Fraser Cerf Wagner, American actress, journalist, and publisher (d. 2006)
- 1911 - Ico Hitrec, Croatian footballer (d. 1946)
- 1911 - Jean-Louis Lévesque, Canadian entrepreneur and philanthropist (d. 1994)
- 1909 - Stanislaw Marcin Ulam, Polish mathematician (d. 1984)
- 1909 - Eudora Welty, American writer (d. 2001)
- 1907 - Harold Stassen, American Presidential candidate (d. 2001)
- 1906 - Samuel Beckett, Irish writer, Nobel laureate (d. 1989)
- 1906 - Bud Freeman, American musician (d. 1991)
- 1904 - Sir David Robinson, British philanthropist and entrepreneur (d. 1987)
- 1902 - Philippe de Rothschild, French race car driver and wine grower (d. 1988)
- 1901 - Jacques Lacan, French psychoanalyst and semanticist (d. 1981)
- 1900 - Pierre Molinier, French painter and photographer (d. 1976)
- 1899 - Alfred Mosher Butts, American architect and Scrabble inventor (d. 1993)
- 1897 - Werner Voss, German World War I pilot (d. 1917)
- 1894 - Arthur Fadden, thirteenth Prime Minister of Australia (d. 1973)
- 1892 - Arthur Travers 'Bomber' Harris, British Air Force commander (d. 1984)
- 1892 - Sir Robert Alexander Watson-Watt, Scottish inventor (d. 1973)
- 1891 - Maurice Vincent Buckley, Australian winner of the Victoria Cross (d. 1921)
- 1891 - Nella Larsen, African-American novelist (d. 1964)
- 1891 - Robert Scholl, German politician, father of Hans and Sophie Scholl (d. 1973)
- 1890 - Frank Murphy, American public servant (d. 1949)
- 1889 - Herbert Osborne Yardley, American cryptographer (d. 1958)
- 1887 - Gordon S. Fahrni, Canadian physician and President of the Canadian Medical Association (d. 1995)
- 1885 - Georg Lukács, Hungarian-born philosopher and literary critic (d. 1971)
- 1885 - Vean Gregg, American baseball player (d. 1964)
- 1880 - Charles Christie, Canadian film studio owner (d. 1955)
- 1879 - Edward Bruce, Director art projects (d. 1943)
- 1875 - Ray Lyman Wilbur, 31st United States Secretary of the Interior and 3rd President of Stanford University (d. 1949)
- 1873 - John W. Davis, American politician (d. 1955)
- 1872 - Alexander Roda Roda, Austrian writer (d. 1945)
- 1866 - Butch Cassidy, American outlaw (d. 1908)
- 1860 - James Ensor, Belgian painter (d. 1949)
- 1852 - F.W. Woolworth, American businessman (d. 1919)
- 1851 - Robert Abbe, American surgeon (d. 1928)
- 1850 - Arthur Matthew Weld Downing, British astronomer (d. 1917)
- 1841 - Louis-Ernest Barrias, French sculptor (d. 1905)
- 1832 - Juan Montalvo, Ecuadoran author (d. 1889)
- 1828 - Joseph Barber Lightfoot, English theologian and Bishop (d. 1889)
- 1825 - Thomas D'Arcy McGee, Canadian journalist and politician (d. 1868)
- 1808 - Antonio Meucci, Italian inventor (d. 1889)
- 1802 - Leopold Fitzinger, Austrian zoologist (d. 1884)
- 1787 - John Robertson, U.S. politician (d. 1873)
- 1784 - Friedrich Graf von Wrangel, Prussian field marshal (d. 1877)
- 1780 - Alexander Mitchell, Irish engineer (d. 1868)
- 1771 - Richard Trevithick, English engineer and inventor (d. 1833)
- 1769 - Thomas Lawrence, English painter (d. 1830)
- 1764 - Laurent, Marquis de Gouvion Saint-Cyr, French marshal (d. 1830)
- 1747 - Louis Philip II, Duke of Orléans (d. 1793)
- 1743 - Thomas Jefferson, 3rd President of the United States (d. 1826)
- 1735 - Isaac Low, delegate to the Continental Congress (d. 1791)
- 1732 - Frederick North, Lord North, Prime Minister of the United Kingdom (d. 1792)
- 1729 - Thomas Percy, Bishop and magazine editor (d. 1811)
- 1715 - John Hanson, President of the United States in Congress Assembled (d. 1783)
- 1648 - Jeanne Marie Bouvier de la Motte Guyon, French mystic (d. 1717)
- 1618 - Roger de Rabutin, Comte de Bussy, French writer (d. 1693)
- 1593 - Thomas Wentworth, 1st Earl of Strafford, English statesman (d. 1641)
- 1584 - Albert VI of Bavaria (d. 1666)
- 1573 - Christina of Holstein-Gottorp, queen consort of Sweden (d. 1625)
- 1570 - Guy Fawkes, English Catholic conspirator (d. 1606)
- 1519 - Catherine de' Medici, wife of Henry II of France (d. 1589)
- 1506 - Peter Faber, French Jesuit theologian (d. 1546)