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 1st


- Earliest day on which Sizdah Be-dar can fall, while April 2 is the latest; celebrated on the thirteenth day after vernal equinox. (Iran)
- April Fools' Day or All Fools' Day
- Christian Feast Day:
- Civil Service Day (Thailand)
- Edible Book Day
- Fossil Fools Day
- Kha b-Nisan, the Assyrian New Year (Assyrians)
- Islamic Republic Day (Iran)
- Odisha Day (Orissa, India)
- The Capture of Brielle, marked a turning point in the uprising of the Low Countries against Spain in the Eighty Years' War. (Brielle)
- The start of Miyako Odori, an annual geiko dance celebration. (Gion District, Kyoto, Japan)
- Užupis Day, celebrate the independence of Užupis.
- Veneralia, in honor of Venus. (Roman Empire)

April 1st


- 2009 - Croatia and Albania join NATO
- 2006 - The Serious Organised Crime Agency, dubbed the "British FBI", is created in the United Kingdom.
- 2001 - An EP-3E United States Navy surveillance aircraft collides with a Chinese People's Liberation Army Shenyang J-8 fighter jet. The Navy crew makes an emergency landing in Hainan, People's Republic of China and is detained.
- 2001 - Former President of Federal Republic of Yugoslavia Slobodan Miloševi? surrenders to police special forces, to be tried on war crimes charges.
- 2001 - Same-sex marriage becomes legal in the Netherlands, the first country to allow it.
- 1999 - Nunavut is established as a Canadian territory carved out of the eastern part of the Northwest Territories.
- 1997 - Comet Hale-Bopp is seen passing over perihelion.
- 1996 - The Halifax Regional Municipality in Nova Scotia is created.
- 1992 - Start of the Bosnian war.
- 1989 - Margaret Thatcher's new local government tax, the Community Charge (commonly known as the "poll tax"), is introduced in Scotland.
- 1981 - Daylight saving time is introduced in the USSR.
- 1979 - Iran becomes an Islamic Republic by a 98% vote, officially overthrowing the Shah.
- 1978 - The Philippine College of Commerce, through a presidential decree, becomes the Polytechnic University of the Philippines.
- 1976 - Apple Inc. is formed by Steve Jobs and Steve Wozniak.
- 1976 - Conrail takes over operations from six bankrupt railroads in the Northeastern U.S..
- 1976 - The Jovian-Plutonian gravitational effect hoax is first reported by British astronomer Patrick Moore.
- 1974 - In the United Kingdom, the Metropolitan and non-metropolitan counties come into being.
- 1973 - Project Tiger, a tiger conservation project, is launched in the Corbett National Park, India.
- 1970 - President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring the Surgeon General's warnings on tobacco products and banning cigarette advertisements on television and radio in the United States, starting on January 1, 1971.
- 1969 - The Hawker Siddeley Harrier enters service with the Royal Air Force.
- 1967 - The United States Department of Transportation begins operation.
- 1957 - The broadcasts the spaghetti tree hoax on its current affairs programme Panorama.
- 1955 - The EOKA rebellion against The British Empire begins in Cyprus, with the goal of obtaining the desired unification ("enosis") with Greece.
- 1954 - President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy in Colorado.
- 1949 - Chinese Civil War: The Communist Party of China holds unsuccessful peace talks with the Kuomintang in Beijing, after three years of fighting.
- 1949 - The Canadian government repeals Japanese Canadian internment after seven years.
- 1949 - The twenty-six counties of the Irish Free State become the Republic of Ireland.
- 1948 - Cold War: Berlin Airlift – Military forces, under direction of the Russian-controlled government in East Germany, set-up a land blockade of West Berlin. * 1948 – Faroe Islands receive autonomy from Denmark.
- 1946 - Aleutian Island earthquake: A 7.8 magnitude earthquake near the Aleutian Islands creates a tsunami that strikes the Hawaiian Islands killing 159, mostly in Hilo.
- 1946 - Formation of the Malayan Union.
- 1945 - World War II: Operation Iceberg – United States troops land on Okinawa in the last campaign of the war.
- 1944 - Navigation errors lead to an accidental American bombing of the Swiss city of Schaffhausen.
- 1941 - The Blockade Runner Badge for the German navy is instituted.
- 1939 - Generalísimo Francisco Franco of the Spanish State announces the end of the Spanish Civil War, when the last of the Republican forces surrender.
- 1937 - Aden becomes a British crown colony.
- 1936 - Orissa formerly known as Kalinga or Utkal becomes a state in India.
- 1933 - The recently elected Nazis under Julius Streicher organize a one-day boycott of all Jewish-owned businesses in Germany, ushering in a series of anti-Semitic acts.
- 1933 - English cricketer Wally Hammond set a record for the highest individual Test innings of 336 not out, during a Test match against New Zealand.
- 1924 - Adolf Hitler is sentenced to five years in jail for his participation in the "Beer Hall Putsch". However, he spends only nine months in jail, during which he writes Mein Kampf.
- 1924 - The Royal Canadian Air Force is formed.
- 1918 - The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
- 1908 - The Territorial Force (renamed Territorial Army in 1920) is formed as a volunteer reserve component of the British Army.
- 1893 - The rank of Chief Petty Officer in the United States Navy is established.
- 1891 - The Wrigley Company is founded in Chicago, Illinois.
- 1887 - Mumbai Fire Brigade is established.
- 1873 - The British steamer RMS Atlantic sinks off Nova Scotia, killing 547.
- 1871 - The first stage of the Brill Tramway opened.
- 1867 - Singapore becomes a British crown colony.
- 1865 - American Civil War: Battle of Five Forks – In Siege of Petersburg, Confederate General Robert E. Lee begins his final offensive.
- 1854 - Hard Times begins serialisation in Charles Dickens' magazine, Household Words.
- 1833 - The Convention of 1833, a political gathering of settlers in Mexican Texas to help draft a series of petitions to the Mexican government, begins in San Felipe de Austin
- 1826 - Samuel Morey patents the internal combustion engine.
- 1789 - In New York City, the United States House of Representatives holds its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first House Speaker.
- 1572 - In the Eighty Years' War, the Watergeuzen capture Brielle from the Spaniards, gaining the first foothold on land for what would become the Dutch Republic.
- 1340 - Niels Ebbesen kills Gerhard III of Holstein in his bedroom, ending the 1332-1340 interregnum in Denmark.
- 1318 - Berwick-upon-Tweed is captured by the Scottish from the English.
- 1293 - Robert Winchelsey leaves England for Rome, to be consecrated as Archbishop of Canterbury.
- 527 - Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne.

April 1st


- 1997 - Asa Butterfield, English actor
- 1993 - Keito Okamoto, Japanese singer
- 1989 - Jan Blokhuijsen, Dutch speed skater
- 1989 - David N'Gog, French footballer
- 1989 - Vietoris Krisztián, German racing driver
- 1988 - Brook Lopez, American basketball player
- 1988 - Robin Lopez, American basketball player
- 1988 - Courtney McCool, American gymnast
- 1987 - Ding Junhui, Chinese snooker player
- 1987 - Li Ting, Chinese diver
- 1986 - Shunichi Miyamoto, Japanese musician
- 1986 - Ireen Wüst, Dutch speed skater
- 1985 - Daniel Murphy, American baseball player
- 1985 - Josh Zuckerman, American actor
- 1984 - Gilberto Macena, Brazilian footballer
- 1983 - Tamati Ellison, New Zealand All Black rugby player
- 1983 - Lance Hohaia, New Zealand rugby league player
- 1983 - Matt Lanter, American actor and model
- 1983 - Sergey Lazarev, Russian singer
- 1983 - Ólafur Ingi Skúlason, Icelandic footballer
- 1983 - Sean Taylor, American football player (d. 2007)
- 1982 - Sam Huntington, American actor
- 1982 - Taran Killam, American comedian and actor
- 1981 - Bjoern Einar Romoeren, Norwegian skijumper
- 1981 - Asli Bayram, Turkish German model and actress
- 1981 - Aimee Chan, Miss Hong Kong 2006
- 1981 - Antonis Fotsis, Greek basketball player
- 1981 - Hannah Spearritt, British singer, actor and member of S Club
- 1980 - Randy Orton, American professional wrestler
- 1980 - Bijou Phillips, American actress
- 1980 - Y?ko Takeuchi, Japanese actress
- 1979 - Ivano Bali?, Croatian handballer
- 1978 - Antonio de Nigris, Mexican footballer (d. 2009)
- 1978 - Jean-Pierre Dumont, Canadian ice hockey player
- 1978 - Anamaria Marinca, Romanian actress
- 1978 - Etan Thomas, American basketball player
- 1978 - Miroslava Vavrinec, Swiss tennis player
- 1977 - Jon Gosselin, TV personality, known for Jon & Kate+8
- 1977 - Haimar Zubeldia, Spanish cyclist
- 1976 - David Oyelowo, English-Nigerian actor
- 1976 - Clarence Seedorf, Dutch footballer
- 1975 - George Bastl, Swiss tennis player
- 1975 - John Butler, Australian singer and musician
- 1974 - Beatriz Batarda, Portuguese actress
- 1974 - China Chow, British actress
- 1974 - Richard Christy, American drummer
- 1974 - Hugo Benjamín Ibarra, Argentine footballer
- 1974 - Sandra Völker, German swimmer
- 1973 - Christian Finnegan, American comedian
- 1973 - Stephen Fleming, New Zealand cricketer
- 1973 - Joe Francis, American adult video producer
- 1973 - Rachel Maddow, American radio personality and political analyst
- 1973 - Kris Marshall, British actor
- 1972 - Allen and Albert Hughes, American film directors
- 1972 - Darren McCarty, Canadian ice hockey player
- 1972 - Jesse Tobias, American musician
- 1971 - Sonia Bisset, Cuban javelin thrower
- 1971 - Jessica Collins, American actress
- 1971 - Lachy Hulme, Australian actor and screenwriter
- 1971 - Method Man, American rapper
- 1971 - Shinji Nakano, Japanese race car driver
- 1970 - Sung Hi Lee, Korean-born model
- 1969 - Fadl Shaker, Lebanese singer
- 1969 - Dean Windass, English football player
- 1968 - Julia Boutros, Lebanese singer
- 1968 - Traci Lind, American actress
- 1968 - Andreas Schnaas, German horror film director
- 1967 - Phil Demmel, American musician
- 1966 - Chris Evans, English disc jockey
- 1965 - Tomas Alfredson, Swedish film director
- 1965 - Mark Jackson, American basketball player
- 1965 - Robert Steadman, English composer
- 1964 - Erik Breukink, Dutch cyclist and manager
- 1964 - Kevin Duckworth, American basketball player (d. 2008)
- 1964 - Scott Stevens, Canadian ice hockey player
- 1962 - Samboy Lim, Filipino basketball player
- 1962 - Phillip Schofield, British television presenter
- 1962 - Dave Ulliott, English poker player
- 1961 - Susan Boyle, Scottish singer and Britain's Got Talent contestant
- 1960 - Michael Praed, British actor
- 1958 - D. Boon, American musician (d. 1985)
- 1957 - David Gower, English cricketer
- 1957 - Denise Nickerson, American actress
- 1955 - Humayun Akhtar Khan, Pakistani statesman
- 1955 - Terry Nichols, American mass murderer
- 1954 - Jeff Porcaro, American drummer (d. 1992)
- 1953 - Barry Sonnenfeld, producer and director
- 1952 - Bernard Stiegler, French philosopher
- 1952 - Annette O'Toole, American actress
- 1951 - John Philip Abizaid, U.S. Army General, former CENTCOM commander
- 1950 - Samuel Alito, U.S. Supreme Court Justice
- 1950 - Loris Kessel, Swiss racing driver (d. 2010)
- 1949 - Gérard Mestrallet, French businessman
- 1949 - Sammy Nelson, Northern Irish footballer
- 1949 - Gil Scott-Heron, American musician and composer
- 1948 - Jimmy Cliff, Jamaican musician
- 1947 - Alain Connes, French mathematician
- 1947 - Robin Scott, English singer
- 1947 - Norm Van Lier, American basketball player (d. 2009)
- 1946 - Nikitas Kaklamanis, Greek politician, Mayor of Athens
- 1946 - Ronnie Lane, English musician (d. 1997)
- 1946 - Arrigo Sacchi, Italian football coach
- 1945 - John Barbata, American drummer
- 1944 - Rusty Staub, American baseball player
- 1942 - Samuel R. Delany, American author
- 1942 - Annie Nightingale, British disc jockey
- 1941 - Ajit Wadekar, Indian Cricketer
- 1940 - Wangari Maathai, Kenyan environmentalist, recipient of the Nobel Peace Prize
- 1939 - Phil Niekro, American baseball player
- 1939 - Rudolph Isley, American singer
- 1938 - Ali MacGraw, American actress
- 1938 - John Quade, American actor (d. 2009)
- 1936 - Jean-Pascal Delamuraz, Swiss politician, president of the Confederation in 1989 and 1996 (d. 1998)
- 1935 - Larry McDonald, American politician (d. 1983)
- 1934 - Don Hastings, American actor
- 1934 - Rod Kanehl, American baseball player (d. 2004)
- 1934 - Vladimir Posner, Russian journalist
- 1933 - Claude Cohen-Tannoudji, French physicist, Nobel laureate
- 1933 - Dan Flavin, American artist (d. 1996)
- 1932 - Debbie Reynolds, American actress
- 1932 - Gordon Jump, American actor (d. 2003)
- 1931 - Ita Ever, Estonian actress
- 1931 - Rolf Hochhuth, German writer
- 1930 - Grace Lee Whitney, American actress
- 1929 - Milan Kundera, Czech-born writer
- 1929 - Payut Ngaokrachang, Thai animator (d. 2010)
- 1929 - Jane Powell, American dancer, actress, and singer
- 1929 - Bo Schembechler, American football coach (d. 2006)
- 1928 - George Grizzard, American actor (d. 2007)
- 1927 - Walter Bahr, American soccer player on the 1950 FIFA World Cup team
- 1927 - Peter Cundall, Australian horticulturist and television presenter
- 1927 - Amos Milburn, American pianist (d. 1980)
- 1926 - Charles Bressler, American tenor
- 1926 - John Scott Martin, English actor (d. 2009)
- 1926 - Anne McCaffrey, American author
- 1924 - Brendan Byrne, Governor of New Jersey
- 1924 - Miodrag Petrovi?, Serbian actor (d. 2003)
- 1922 - William Manchester, American historian (d. 2004)
- 1921 - Ken Reardon, Canadian ice hockey player (d. 2008)
- 1920 - Toshir? Mifune, Japanese actor (d. 1997)
- 1919 - Joseph Murray, American surgeon, Nobel laureate
- 1917 - Melville Shavelson, American film director, producer and screenwriter (d. 2007)
- 1915 - Otto Wilhelm Fischer, Austrian actor (d. 2004)
- 1914 - Lor Tok, Thai comedian and actor (d. 2002)
- 1911 - Fauja Singh, Indian athlete.
- 1909 - Eddy Duchin, American popular pianist & bandleader (d. 1951)
- 1908 - Abraham Maslow, American psychologist (d. 1970)
- 1906 - Aleksandr Yakovlev, Russian engineer and aeroplane designer (d. 1989)
- 1902 - Maria Polydouri, Greek poet (d. 1930)
- 1901 - Whittaker Chambers, American writer, editor, and defector (d. 1961)
- 1899 - Gustavs Celmins, Latvian politician (d. 1968)
- 1898 - William James Sidis, American genius (d. 1944)
- 1897 - Nita Naldi, American actress (d. 1961)
- 1895 - Alberta Hunter, American singer (d. 1984)
- 1893 - Cicely Courtneidge, English actress and comedian (d. 1980)
- 1889 - Keshava Baliram Hedgewar, Indian patriot and founder of Rashtriya Swayamsevak Sangh (d. June 21, 1940)
- 1885 - Wallace Beery, American actor (d. 1949)
- 1884 - Laurette Taylor, American stage actress (d. 1946)
- 1883 - Lon Chaney, Sr., American actor (d. 1930)
- 1882 - Paul Anspach, Belgian Olympic champion fencer (d. 1991)
- 1880 - Agha Petros, Assyrian general (d. 1932)
- 1875 - Edgar Wallace, English writer (d. 1932)
- 1874 - Ernest William Barnes, English mathematician and theologian (d. 1953)
- 1873 - Sergei Rachmaninoff, Russian composer, pianist, and conductor (d. 1943)
- 1868 - Edmond Rostand, French dramatist (d. 1918)
- 1866 - Ferruccio Busoni, Italian pianist and composer (d. 1924)
- 1865 - Richard Adolf Zsigmondy, Austrian-born chemist, Nobel Prize laureate (d. 1929)
- 1856 - Acacio Gabriel Viegas, Indian physician (d. 1933)
- 1854 - Bill Traylor, American artist (d. 1949)
- 1834 - Big Jim Fisk, American entrepreneur (d. 1872)
- 1815 - Otto von Bismarck, 1st Chancellor of Germany (d. 1898)
- 1815 - Edward Clark, Governor of Texas (d. 1880)
- 1809 - Nikolai Gogol, Ukrainian-born Russian writer (d. 1852)
- 1776 - Sophie Germain, French mathematician (d. 1831)
- 1765 - Luigi Schiavonetti, Italian engraver (d. 1810)
- 1753 - Joseph de Maistre, French diplomat and writer (d. 1821)
- 1697 - Antoine François Prévost, French author and novelist (d. 1763)
- 1647 - John Wilmot, 2nd Earl of Rochester, English poet (d. 1680)
- 1640 - Georg Mohr, Danish mathematician (d. 1697)
- 1610 - Charles de Saint-Évremond, French soldier (d. 1703)
- 1578 - William Harvey, English physician (d. 1657)
- 1543 - François de Bonne, duc de Lesdiguières, Constable of France (d. 1626)
- 1220 - Emperor Go-Saga of Japan (d. 1272)