| 111211 | September 28 | Birth | 1984 – Ryan Zimmerman, American baseball player |
| 111212 | September 28 | Birth | 1985 – Shindong, South Korean singer-songwriter, dancer, and actor (Super Junior) |
| 111213 | September 28 | Birth | 1985 – Alina Ibragimova, Russian-English violinist |
| 111214 | September 28 | Birth | 1986 – Andrés Guardado, Mexican footballer |
| 111215 | September 28 | Birth | 1986 – Meskerem Legesse, Ethiopian runner (d. 2013) |
| 111216 | September 28 | Birth | 1987 – Pierre Becken, German footballer |
| 111217 | September 28 | Birth | 1987 – Gary Deegan, Irish footballer |
| 111218 | September 28 | Birth | 1987 – Hilary Duff, American singer-songwriter and actress |
| 111219 | September 28 | Birth | 1987 – Chloë Hanslip, English violinist |
| 111220 | September 28 | Birth | 1987 – Viktoria Leks, Estonian high jumper |
| 111221 | September 28 | Birth | 1988 – Caio César, Brazilian actor and police officer (d. 2015) |
| 111222 | September 28 | Birth | 1988 – Marin Čilić, Croatian tennis player |
| 111223 | September 28 | Birth | 1988 – Esmée Denters, Dutch singer-songwriter |
| 111224 | September 28 | Birth | 1988 – Aleks Vrteski, Australian footballer |
| 111225 | September 28 | Birth | 1989 – Çağla Büyükakçay, Turkish tennis player |
| 111226 | September 28 | Birth | 1989 – Mark Randall, English footballer |
| 111227 | September 28 | Birth | 1990 – Kirsten Prout, Canadian actress |
| 111228 | September 28 | Birth | 1990 – Phoenix Battye, Australian rugby player |
| 111229 | September 28 | Birth | 1992 – Skye McCole Bartusiak, American actress, director, and producer (d. 2014) |
| 111230 | September 28 | Birth | 1992 – Adam Thompson, English-Irish footballer |
| 111231 | September 28 | Birth | 1992 – Koko Tsurumi, Japanese gymnast |
| 111232 | September 28 | Birth | 1993 – Jodie Williams, English sprinter |
| 111233 | September 28 | Birth | 1995 – Jason Williams, English footballer |
| 111234 | September 28 | Birth | 2000 – Frankie Jonas, American actor |
| 111235 | September 28 | Death | 48 BC – Pompey, Roman general and politician (b. 106 BC) |
| 111236 | September 28 | Death | 935 – Wenceslaus I, Duke of Bohemia (b. 907) |
| 111237 | September 28 | Death | 1197 – Henry VI, Holy Roman Emperor (b. 1165) |
| 111238 | September 28 | Death | 1213 – Gertrude of Merania (b. 1185) |
| 111239 | September 28 | Death | 1429 – Cymburgis of Masovia (b. 1394) |
| 111240 | September 28 | Death | 1582 – George Buchanan, Scottish historian and scholar (b. 1506) |