| 103861 | September 11 | Birth | 1988 – Mike Moustakas, American baseball player |
| 103862 | September 11 | Birth | 1989 – Asuka Kuramochi, Japanese singer and actress (AKB48) |
| 103863 | September 11 | Birth | 1989 – Michael J. Willett, American actor and singer |
| 103864 | September 11 | Birth | 1990 – Henry Hopper, American actor |
| 103865 | September 11 | Birth | 1990 – Jo Inge Berget, Norwegian footballer |
| 103866 | September 11 | Birth | 1991 – Jordan Ayew, Ghanan footballer |
| 103867 | September 11 | Birth | 1991 – Rhema Obed, English footballer |
| 103868 | September 11 | Birth | 1991 – Anastasia Rybachenko, Russian activist |
| 103869 | September 11 | Birth | 1992 – Jonathan Adams, English discus thrower |
| 103870 | September 11 | Birth | 1992 – Hayato Isomura, Japanese actor |
| 103871 | September 11 | Death | 883 – Kesta Styppiotes, Byzantine general |
| 103872 | September 11 | Death | 1063 – Béla I of Hungary (b. 1016) |
| 103873 | September 11 | Death | 1161 – Melisende, Queen of Jerusalem (b. 1105) |
| 103874 | September 11 | Death | 1185 – Stephen Hagiochristophorites, Byzantine courtier (b. 1130) |
| 103875 | September 11 | Death | 1279 – Robert Kilwardby, English cardinal (b. 1215) |
| 103876 | September 11 | Death | 1298 – Philip of Artois (b. 1269) |
| 103877 | September 11 | Death | 1349 – Bonne of Bohemia (b. 1315) |
| 103878 | September 11 | Death | 1599 – Beatrice Cenci, Italian murderer (b. 1577) |
| 103879 | September 11 | Death | 1677 – James Harrington, English philosopher and author (b. 1611) |
| 103880 | September 11 | Death | 1680 – Roger Crab, English soldier and doctor (b. 1621) |
| 103881 | September 11 | Death | 1680 – Emperor Go-Mizunoo of Japan (b. 1596) |
| 103882 | September 11 | Death | 1721 – Rudolf Jakob Camerarius, German botanist and physician (b. 1665) |
| 103883 | September 11 | Death | 1733 – François Couperin, French organist and composer (b. 1668) |
| 103884 | September 11 | Death | 1760 – Louis Godin, French astronomer and academic (b. 1704) |
| 103885 | September 11 | Death | 1822 – Fortunat Alojzy Gonzaga Żółkowski, Polish actor (b. 1777) |
| 103886 | September 11 | Death | 1823 – David Ricardo, English economist and politician (b. 1772) |
| 103887 | September 11 | Death | 1843 – Joseph Nicollet, French mathematician and explorer (b. 1786) |
| 103888 | September 11 | Death | 1851 – Sylvester Graham, American minister and nutritionist (b. 1794) |
| 103889 | September 11 | Death | 1865 – Christophe Léon Louis Juchault de Lamoricière, French general (b. 1806) |
| 103890 | September 11 | Death | 1888 – Domingo Faustino Sarmiento, Argentinian journalist and politician, 7th President of Argentina (b. 1811) |