September 9 is the 252nd day of the year (253rd in leap years) in the Gregorian calendar. There are 113 days remaining.

Births

c.546 - St. Ciarán of Clonmacnoise, Irish bishop
701 - Pope Sergius I
1000 - Olaf I of Norway
1087 - King William I of England
1398 - King James I of Cyprus (b. 1334)
1487 - Chenghua, Emperor of China (b. 1447)
1488 - Francis II, Duke of Brittany (fell from a horse) (b. 1433)
1513 - King James IV of Scotland (b. 1473)
1569 - Pieter Bruegel the Elder, Flemish painter
1596 - Anna Jagiellon, Polish Queen
1612 - Nakagawa Hidenari, Japanese warlord (b. 1570)
1676 - Paul Chomedey de Maisonneuve, French army officer and founder of Montreal (b. 1612)
1680 - Henry Marten, English regicide (b. 1602)
1755 - Johann Lorenz von Mosheim, German historian (b. 1694)
1806 - William Paterson, Signer of the U.S. Constitution, Governor of New Jersey (b. 1745)
1815 - John Singleton Copley, American painter (b. 1738)
1841 - A. P. de Candolle, Swiss botanist (b. 1778)
1891 - Jules Grévy, President of France (b. 1813)
1898 - Stéphane Mallarmé, French poet (b. 1842)
1901 - Henri de Toulouse-Lautrec, French painter (b. 1864)
1909 - Edward Henry Harriman, American railroad entrepreneur (b. 1848)
1915 - Albert Spalding, American baseball player and sporting goods manufacturer (b. 1850)
1941 - Hans Spemann, German embryologist, recipient of the Nobel Prize in Physiology or Medicine (b. 1869)
1960 - Jussi Björling, Swedish tenor (b. 1911)
1969 - Willy Mairesse, Belgian racing driver (b. 1928)
1976 - Mao Zedong, Leader of China (b. 1893)
1978 - Hugh MacDiarmid, Scottish poet (b. 1892)
1978 - Jack Warner, Canadian-born film studio founder (b. 1892)
1980 - John Howard Griffin, American writer (b. 1920)
1981 - Jacques Lacan, French psychoanalyst (b. 1901)
1985 - Paul Flory, American chemist, Nobel Prize laureate (b. 1910)
1990 - Doc Cramer, American baseball player (b. 1905)
1990 - Samuel Doe, President of Liberia (b. 1951)
1993 - Helen O'Connell, American singer (b. 1920)
1994 - Patrick O'Neal, American actor (b. 1927)
1996 - Bill Monroe, American bluegrass singer and composer (b. 1911)
1997 - Richie Ashburn, American baseball player (b. 1927)
1997 - Burgess Meredith, American actor (b. 1907)
1999 - Jim "Catfish" Hunter, American baseball player (b. 1946)
1999 - Ruth Roman, American actress (b. 1922)
2001 - Ahmed Shah Massoud, Afghani military leader (b. 1953)
2003 - Larry Hovis, American actor (b. 1936)
2003 - Edward Teller, Hungarian-born physicist (b. 1908)
2004 - Roland Sherwood "Ernie" Ball, American businessman (b. 1930)
2005 - John Wayne Glover, English serial killer (b. 1932)
2006 - Gérard Brach, French screenwriter (b. 1927)
2006 - Richard Burmer, American composer, sound designer and electronic musician (b. 1955)
2006 - Matt Gadsby, English footballer (b. 1979)
2006 - William B. Ziff, Jr., American publishing executive (b. 1930) Holidays and observances

Saint Ciarán of Clonmacnoise
Eastern Orthodoxy - Synaxis of the Theopatores Joachim and Anna.