Famous Birthdays on this Day in History - per Wikipedia

August 21

• 1165 – King Philip II of France (d. 1223)
• 1535 – Shimazu Yoshihiro, Japanese samurai and warlord (d. 1619)
• 1567 – Francis de Sales, Bishop of Geneva and saint (d. 1622)
• 1597 – Roger Twysden, English antiquarian and royalist (d. 1672)
• 1643 – King Afonso VI of Portugal (d. 1683)
• 1660 – Hubert Gautier, French scientist and civil engineer (d. 1737)
• 1665 – Giacomo F. Maraldi, French-Italian astronomer (d. 1729)
• 1670 – James FitzJames, 1st Duke of Berwick, French military leader (d. 1734)
• 1725 – Jean-Baptiste Greuze, French painter (d. 1805)
• 1754 – William Murdoch, Scottish inventor (d. 1839)
• 1754 – Banastre Tarleton, British soldier and politician (d. 1833)
• 1765 – William IV of the United Kingdom (d. 1837)
• 1789 – Augustin Louis Cauchy, French mathematician (d. 1857)
• 1798 – Jules Michelet, French historian (d. 1874)
• 1800 – Hiram Walden, American politician (d. 1880)
• 1801 – Guillaume Groen van Prinsterer, Dutch politician (d. 1876)
• 1813 – Jean Stas, Belgian chemist (d. 1891)
• 1816 – Charles Frédéric Gerhardt, French chemist (d. 1856)
• 1826 – Karl Gegenbaur, German anatomist (d. 1903)
• 1858 – Crown Prince Rudolf of Austria (d. 1889)
• 1869 – William Henry Ogilvie, Scottish/Australian poet (d. 1963)
• 1872 – Aubrey Beardsley, English illustrator (d. 1898)
• 1878 – Richard Girulatis, German football manager (d. 1963)
• 1879 – Claude Grahame-White, British pioneer aviator and builder (d. 1959)
• 1891 – Emiliano Mercado del Toro, World's oldest living man 2004-2007 (d. 2007)
• 1892 – Charles Vanel, French actor and director (d. 1989)
• 1902 – Angel Karaliychev, Bulgarian writer (d. 1972)
• 1904 – William "Count" Basie, American bandleader (d. 1984)
• 1906 – Friz Freleng, American movie animator (d. 1995)
• 1908 – M. M. Kaye, British writer (d. 2004)
• 1909 – Nikolay Bogolyubov, Russian mathematician (d. 1992)
• 1912 – Hector "Toe" Blake, Canadian ice hockey player and coach (d. 1995)
• 1915 – Raquel Rastenni, Danish singer (d. 1998)
• 1918 – Billy Reay, Canadian ice hockey player (d. 2004)
• 1920 – Christopher Robin Milne, inspiration for the Winnie-the-Pooh stories (d. 1996)
• 1924 – Jack Buck, American sports announcer (d. 2002)
• 1924 – Chris Schenkel, American sports journalist (d. 2005)
• 1924 – Jack Weston, American actor (d. 1996)
• 1925 – Judy Grable, American professional wrestler (d. 2008)
• 1925 – Maurice Pialat, French actor and director (d. 2003)
• 1927 – Thomas S. Monson, 16th president of the Church of Jesus Christ of Latter-day Saints (LDS Church)
• 1928 – Art Farmer, American trumpet player (d. 1999)
• 1928 – Bud McFadin, American football player (d. 2006)
• 1929 – X. J. Kennedy, American poet
• 1929 – Marie Severin, American comic book artist and colorist
• 1930 – Princess Margaret, Countess of Snowdon (d. 2002)
• 1930 – Frank Perry, American film director (d. 1995)
• 1932 – Melvin Van Peebles, American actor and screenwriter
• 1933 – Janet Baker, English mezzo-soprano
• 1933 – Michael Dacher, German mountaineer (d. 1994)
• 1934 – Paul Panhuysen, Dutch composer, visual and sound artist
• 1934 – Sudhakarrao Naik, Indian politician( d. 2001)
• 1936 – Wilt Chamberlain, American basketball player (d. 1999)
• 1936 – Radish Tordia, painter of Figurative Art from Georgia
• 1937 – Robert Stone, American novelist
• 1937 – Gustavo Noboa, former President of Ecuador
• 1938 – Kenny Rogers, American singer and actor
• 1939 – James Burton, American guitarist
• 1939 – Clarence Williams III, American actor
• 1939 – Festus Mogae, president of Botswana
• 1943 – Hugh Wilson, American director, writer and actor
• 1944 – Jackie DeShannon, American singer
• 1944 – Peter Weir, Australian film director
• 1944 – Perry Christie, former prime minister of the Bahamas
• 1945 – Jerry DaVanon, baseball player
• 1945 – Patty McCormack, American actress
• 1945 – Basil Poledouris, American film score composer (d. 2006)
• 1947 – Carl Giammarese, American musician
• 1949 – Loretta Devine, American actress
• 1950 – Patrick Juvet, Swiss singer
• 1950 – Arthur Bremer, American criminal, who shot George C Wallace in May 1972.
• 1951 – Eric Goles, Chilean mathematician and computer scientist
• 1951 – Char Margolis, American medium
• 1951 – Harry Smith, American television journalist
• 1951 – Margo Kane, Canadian playwright.
• 1952 – Keith Hart, Canadian professional wrestler
• 1952 – Glenn Hughes, British bassist and vocalist (Finders Keepers/Trapeze/Deep Purple)
• 1952 – Jiří Paroubek, former Czech prime minister
• 1952 – Joe Strummer, British musician and singer (The Clash) (d. 2002)
• 1953 – Ivan Stang, American writer
• 1954 – Archie Griffin, former American football player and only two-time Heisman Trophy winner.
• 1954 – Chip Coffey, American psychic, medium and television personality.
• 1957 – Steve Smith (musician), American drummer (Journey).
• 1956 – Kim Cattrall, English-born actress
• 1956 – Jon Tester, US Senator from Montana
• 1959 – Jim McMahon, American football player
• 1961 – David Morales, American disc jockey
• 1961 – Stephen Hillenburg, American animator and cartoonist
• 1961 – V. B. Chandrasekhar, Indian cricketer
• 1962 – John Korfas, Greek basketball player
• 1962 – Jeff Stryker, American actor
• 1963 – King Mohammed VI of Morocco
• 1963 – Richmond Arquette, American actor
• 1964 – Trinity Loren, American actress and model (d. 1998)
• 1965 – Jim Bullinger, American baseball player
• 1965 – Caryn Mower, American actress, stuntwoman and former professional wrestler
• 1966 – John Wetteland, Major League Baseball player
• 1967 – Carrie-Anne Moss, Canadian actress
• 1967 – Serj Tankian, Armenian-born singer (System of a Down)
• 1967 – Darren Bewick, AFL footballer
• 1968 – Dina Carroll, British singer
• 1969 – Josée Chouinard, Canadian figure skater
• 1970 – Nathan Jones, American professional wrestler
• 1970 – Erik Dekker, Dutch cyclist
• 1971 – Liam Howlett, British musician (The Prodigy)
• 1971 – Mamadou Diallo, Senegalese Soccer player
• 1971 – Robert Harvey, Australian Rules Footballer (St Kilda Football Club)
• 1973 – Steve McKenna, Canadian ice hockey player
• 1973 – Sergey Brin, Co-founder of Google
• 1973 – Nikolay Valuev, Russian boxer
• 1975 – Alicia Witt, American actress
• 1975 – Simon Katich, Australian cricketer
• 1976 – Alex Brooks, American ice hockey player
• 1976 – Jeff Cunningham, Jamaican American soccer player
• 1976 – Ramón Vázquez, Puerto Rican baseball player
• 1976 – Nikos Vertis, Greek singer
• 1978 – Peter Buxton, English rugby union player
• 1978 – Bhumika Chawla, Indian Actress
• 1978 – Reuben Droughns, American football player
• 1978 – Lee Gronkiewicz, American baseball player
• 1978 – Alan Lee, Irish footballer
• 1978 – Jason Marquis, American baseball player
• 1978 – Annie Wu, Taiwanese Actress
• 1979 – Kelis Rogers-Jones, American singer
• 1980 – Burney Lamar, American race car driver
• 1980 – Paul Menard, NASCAR Sprint Cup Series Driver
• 1981 – Collie Buddz, (Colin Harper) Reggae & Dancehall artist
• 1981 – Jarrod Lyle, Australian Golfer
• 1982 – Jason Eaton, New Zealand All Black rugby player
• 1983 – Josh Harrington, American professional BMX rider
• 1983 – Chantelle Houghton, British TV personality
• 1983 – Brody Jenner, American actor
• 1983 – Scott McDonald, Australian footballer (Celtic F.C.)
• 1984 – Neil Dexter, South African cricketer
• 1984 – Alizée Jacotey, French singer
• 1984 – Melissa Schuman, American actress
• 1984 – B.J. Upton, American baseball player
• 1985 – Melissa M, French singer
• 1985 – Kevin Nee, American strongman
• 1986 – Usain Bolt, Jamaican sprinter
• 1986 – Wout Brama, Dutch international footballer (FC Twente)
• 1987 – Kim Kibum, a member of Korean boy band Super junior. actor and singer
• 1988 – Louise Setara, English singer-songwriter
• 1988 – Paris Bennett, American singer and finalist on American Idol (season 5)
• 1989 – Hayden Panettiere, American actress, model and singer
• 1989 – Judd Trump, English snooker player
• 1990 – Cameron Argon, American electronic and death metal musician
• 1990 – Bo Burnham, American comedic singer-songwriter and Internet Celebrity
• 1990 – Fabian Heimpel, German rugby player
• 1992 – Brad Kavanagh, English songwriter and actor
• 1996 – Jamia Simone Nash, American singer and actress