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 21st


- Aggie Muster (Texas A&M University)
- Birthday of Rome (Rome)
- Christian Feast Day
- Grounation Day (Rastafari movement)
- Inauguration of Brasília (Distrito Federal, Brazil)
- Kartini Day, celebration of Indonesian women's rights. (Indonesia)
- Parilia, held in honor of the Pales. (Roman Empire)
- San Jacinto Day (Texas)
- The first day of the festival of Ridván. (Bahá'í Faith)
- Tiradentes (Brazil)

April 21st


- 2004 - Five suicide car bombers target police stations in and around Basra, killing 74 people and wounding 160.
- 1994 - The first discoveries of extrasolar planets are announced by astronomer Alexander Wolszczan.
- 1993 - The Supreme Court in La Paz, Bolivia, sentences former dictator Luis Garcia Meza to 30 years in jail without parole for murder, theft, fraud and violating the constitution.
- 1989 - Tiananmen Square Protests of 1989: In Beijing, around 100,000 students gather in Tiananmen Square to commemorate Chinese reform leader Hu Yaobang.
- 1987 - The Tamil Tigers are blamed for a car bomb that explodes in the Sri Lankan city of Colombo, killing 106 people.
- 1982 - Baseball: Rollie Fingers of the Milwaukee Brewers becomes the first pitcher to record 300 saves.
- 1975 - Vietnam War: President of South Vietnam Nguyen Van Thieu flees Saigon, as Xuan Loc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls.
- 1970 - The Hutt River Province Principality secedes from Australia.
- 1967 - A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'état, establishing a military regime that lasts for seven years.
- 1966 - Rastafari movement: Haile Selassie of Ethiopia visits Jamaica, an event now celebrated as Grounation Day.
- 1965 - The 1964-1965 New York World's Fair opens for its second and final season.
- 1964 - A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 pounds of radioactive plutonium in its SNAP RTG power source is widely dispersed.
- 1963 - The Universal House of Justice of the Bahá'í Faith is elected for the first time.
- 1962 - The Seattle World's Fair (Century 21 Exposition) opens. It is the first World's Fair in the United States since World War II.
- 1960 - Brasília, Brazil's capital, is officially inaugurated. At 9:30 am the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro.
- 1960 - Founding of the Orthodox Bahá'í Faith in Washington, D.C.
- 1952 - Secretary's Day (now Administrative Professionals' Day) is first celebrated.
- 1945 - World War II: Soviet Union forces south of Berlin at Zossen attack the German High Command headquarters.
- 1942 - World War II: The most famous (and first international) Aggie Muster is held on the Philippine island of Corregidor, by Brigadier General George F. Moore (with 25 fellow Texas A&M graduates who are under his command), while 1.8 million pounds of shells pounded the island over a 5 hour attack.
- 1922 - The first Aggie Muster is held as a remembrance for fellow Texas A&M graduates who had died in the previous year.
- 1918 - World War I: German fighter ace Manfred von Richthofen, known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
- 1898 - Spanish-American War: The U.S. Congress, on April 25, recognizes that a state of war exists between the United States and Spain as of this date.
- 1894 - Norway formally adopts the Krag-Jřrgensen rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.
- 1863 - Bahá'u'lláh, considered the founder of the Bahá'í Faith, declares his mission as "He whom God shall make manifest".
- 1836 - Texas Revolution: The Battle of San Jacinto – Republic of Texas forces under Sam Houston defeat troops under Mexican General Antonio López de Santa Anna.
- 1809 - Two Austrian army corps are driven from Landshut by a First French Empire army led by Napoleon I of France as two French corps to the north hold off the main Austrian army on the first day of the Battle of Eckmühl.
- 1792 - Tiradentes, a revolutionary leading a movement for Brazil's independence, is hanged, drawn and quartered.
- 1519 - Hernán Cortés lands in Veracruz, Veracruz
- 1509 - Henry VIII ascends the throne of England on the death of his father, Henry VII.
- 900 - 900 AD – The Laguna Copperplate Inscription: the Honourable Namwaran and his children, Lady Angkatan and Bukah, are granted pardon from all their debts by the Commander and Chief of Tundun, as represented by the Honourable Jayadewa, Lord Minister of Pailah. Luzon, Philippines.
- 753 - 753 BC – Romulus and Remus founded Rome (traditional date).
- -43 - Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after.

April 21st


- 2007 - Princess Isabella of Denmark
- 1988 - Robbie Amell, Canadian actor
- 1988 - Pedro Mosquera Parada, Spanish footballer
- 1987 - Nadif Chowdhury, Bangladeshi cricketer
- 1987 - Eric Devendorf, American basketball player
- 1986 - Audra Cohen, American tennis player
- 1986 - Alexander Edler, Swedish hockey player
- 1986 - Rodney Stuckey, American basketball player
- 1984 - Shayna Fox, American voice actress
- 1983 - Pawe? Bro?ek, Polish footballer
- 1983 - Tarvaris Jackson, American football player
- 1982 - Carnell Williams, American football player
- 1981 - Stephanie Larimore, American model
- 1980 - Jeff Keppinger, American baseball player
- 1980 - Vincent Lecavalier, Canadian hockey player
- 1980 - Tony Romo, American football player
- 1980 - Martin Rosete, Spanish film director and publicist
- 1979 - James McAvoy, Scottish actor
- 1979 - Tobias Linderoth, Swedish footballer
- 1978 - Jacob Burns, Australian footballer
- 1978 - Jukka Nevalainen, Finnish drummer (Nightwish)
- 1978 - Branden Steineckert, American drummer (Rancid, The Used)
- 1977 - Jamie Salé, Canadian figure skater
- 1977 - Doseone, American rapper
- 1976 - Rommel Adducul, Filipino basketball player
- 1975 - Tha Trademarc, American hip hop artist
- 1973 - Jonathan Nsenga, Belgian athlete
- 1972 - Gwendal Peizerat, French ice dancer
- 1972 - Severina Vu?kovi?, Croatian singer
- 1971 - Alexander Kravchenko, Russian poker player
- 1971 - Michael Turner, American comic book artist (d. 2008)
- 1970 - Glen Hansard, Irish songwriter and actor
- 1970 - Rob Riggle, American comedian
- 1970 - Nicole Sullivan, American actress
- 1969 - Toby Stephens, British actor
- 1969 - Robin Meade, American news anchor
- 1966 - Michael Franti, American musician
- 1965 - Ed Belfour, Canadian ice hockey player
- 1965 - Karen Foster, American model (Playboy)
- 1965 - Gary Grant, American basketball player
- 1965 - Fiona Kelleghan, American academic and critic
- 1964 - Alex Baumann, Canadian Olympic swimmer
- 1964 - Ludmila Engquist, Russian-born Swedish athlete
- 1963 - Ken Caminiti, American baseball player (d. 2004)
- 1963 - Roy Dupuis, Canadian actor
- 1963 - John Cameron Mitchell, American film director
- 1962 - Les Lancaster, American baseball player
- 1960 - Michel Goulet, Canadian ice hockey player
- 1959 - Jerry Only, American musician (The Misfits)
- 1959 - Robert Smith, British musician (The Cure)
- 1959 - Michael Timmins, Canadian musician (Cowboy Junkies)
- 1959 - Tim Jacobus, American artist (Goosebumps)
- 1958 - Andie MacDowell, American actress
- 1958 - Yoshito Usui, Japanese manga artist
- 1958 - Michael Zarnock, American author and columnist
- 1957 - Edward Leslie, American professional wrestler
- 1956 - Phillip Longman, American demographer
- 1954 - James Morrison, American actor
- 1954 - Ebiet G. Ade, Indonesian singer
- 1951 - Tony Danza, American actor and comedian
- 1951 - Michael Hartley Freedman, American mathematician
- 1951 - Steve Vickers, Canadian hockey player
- 1949 - Patti LuPone, American singer and actress
- 1948 - Gary Condit, American politician
- 1948 - Paul Davis, American singer (d. 2008)
- 1947 - Iggy Pop, American musician (The Stooges)
- 1947 - John Weider, British rock musician (Eric Burdon and the Animals, Family)
- 1945 - Diana Darvey, British actress, singer and dancer (d. 2000)
- 1944 - Adrian Hurley, Australian basketball coach
- 1939 - Helen Prejean, American writer
- 1936 - James Dobson, American evangelist
- 1935 - Charles Grodin, American actor
- 1935 - Thomas Kean, American politician
- 1932 - Elaine May, American comedian
- 1930 - Silvana Mangano, Italian actress (d. 1989)
- 1927 - Gerald Flood, British actor (d. 1989)
- 1926 - Queen Elizabeth II of the United Kingdom
- 1926 - Arthur Rowley, English footballer (d. 2002)
- 1925 - Sir Anthony Mason, former Chief Justice of Australia
- 1924 - Ira Louvin, Country music singer, songwriter, and musician (d. 1965)
- 1923 - John Mortimer, English barrister and writer (d. 2009)
- 1920 - Edmund Adamkiewicz, German footballer (d. 1991)
- 1920 - Ronald Magill, British actor (d. 2007)
- 1919 - Don Cornell, American singer (d. 2004)
- 1918 - Eddy Christiani, Dutch singer and guitarist
- 1915 - Anthony Quinn, Mexican-born American actor (d. 2001)
- 1915 - Garrett Hardin, American ecologist (d. 2003)
- 1914 - Norman Panama, American screenwriter (d. 2003)
- 1912 - Marcel Camus, French film director (d. 1982)
- 1911 - Ivan Combe, American inventor (d. 2000)
- 1907 - Wade Mainer, American singer and banjoist
- 1905 - Pat Brown, American politician (d. 1996)
- 1904 - Odilo Globocnik, Austrian Nazi (d. 1945)
- 1898 - Maurice Wilson, Everest climber, Yorkshire hero (d. 1934)
- 1889 - Paul Karrer, Swiss chemist, Nobel laureate (d. 1971)
- 1887 - Joe McCarthy, American baseball manager (d. 1978)
- 1882 - Percy Williams Bridgman, American physicist, Nobel laureate (d. 1961)
- 1879 - Kartini, Indonesian national figure (d. 1904)
- 1870 - Edwin S. Porter, American film pioneer (d. 1941)
- 1864 - Max Weber, German economist and sociologist (d. 1920)
- 1854 - William Stang, Roman Catholic Bishop (d. 1907)
- 1851 - Charles Barrois, French geologist (d. 1939)
- 1838 - John Muir, Scottish environmentalist (d. 1914)
- 1837 - Fredrik Bajer, Danish politician, Nobel laureate (d. 1922)
- 1816 - Charlotte Brontë, English author (d. 1855)
- 1814 - Angela Georgina Burdett-Coutts, English philanthropist (d. 1906)
- 1811 - Alson Sherman, American politician (d. 1903)
- 1810 - John Putnam Chapin, American politician (d. 1864)
- 1775 - Alexander Anderson, American illustrator (d. 1870)
- 1774 - Jean-Baptiste Biot, French physicist (d. 1862)
- 1767 - Elisabeth of Württemberg, Archduchess of Austria (d. 1790)
- 1729 - Catherine II of Russia, known as 'Catherine the Great' (d. 1796)
- 1713 - Louis, 4th duc de Noailles, Marshal of France (d. 1793)
- 1673 - Wilhelmina Amalia of Brunswick, Holy Roman Empire Empress (d. 1742)
- 1671 - John Law, Scottish economist (d. 1729)
- 1652 - Michel Rolle, French mathematician (d. 1719)
- 1651 - Blessed Joseph Vaz, Apostle of Ceylon (d. 1711)
- 1555 - Ludovico Carracci, Italian painter (d. 1619)