| 95071 | August 21 | Birth | 1987 – Kim Kibum, South Korean singer and actor (Super Junior) |
| 95072 | August 21 | Birth | 1988 – Paris Bennett, American singer |
| 95073 | August 21 | Birth | 1988 – Robert Lewandowski, Polish footballer |
| 95074 | August 21 | Birth | 1988 – Kacey Musgraves, American singer-songwriter and guitarist |
| 95075 | August 21 | Birth | 1988 – Louise Setara, English singer-songwriter |
| 95076 | August 21 | Birth | 1988 – Whitney Sloan, English actress |
| 95077 | August 21 | Birth | 1989 – Charlison Benschop, Dutch footballer |
| 95078 | August 21 | Birth | 1989 – James Davey, English rugby player |
| 95079 | August 21 | Birth | 1989 – Elarica Gallacher, English actress |
| 95080 | August 21 | Birth | 1989 – Matteo Gentili, Italian footballer |
| 95081 | August 21 | Birth | 1989 – Rob Knox, English actor (d. 2008) |
| 95082 | August 21 | Birth | 1989 – Hayden Panettiere, American actress and singer |
| 95083 | August 21 | Birth | 1990 – Bo Burnham, American comedian, singer-songwriter, and actor |
| 95084 | August 21 | Birth | 1990 – Big Chocolate, American singer-songwriter, and producer (Burning the Masses) |
| 95085 | August 21 | Birth | 1990 – Omar El Kaddouri, Belgian-Moroccan footballer |
| 95086 | August 21 | Birth | 1990 – Fabian Heimpel, German rugby player |
| 95087 | August 21 | Birth | 1991 – Demy, Greek singer |
| 95088 | August 21 | Birth | 1991 – Leandro Bacuna, Dutch footballer |
| 95089 | August 21 | Birth | 1991 – Liis Emajõe, Estonian footballer |
| 95090 | August 21 | Birth | 1991 – Tess Gaerthé, Dutch singer |
| 95091 | August 21 | Birth | 1992 – Brad Kavanagh, English singer-songwriter and actor |
| 95092 | August 21 | Birth | 1992 – RJ Mitte, American actor and producer |
| 95093 | August 21 | Birth | 1992 – Song Seung-hyun, Korean singer, guitarist and actor (F.T. Island) |
| 95094 | August 21 | Birth | 1994 – Jacqueline Emerson, American actress and singer (Devo 2.0) |
| 95095 | August 21 | Birth | 1996 – Jamia Simone Nash, American singer and actress |
| 95096 | August 21 | Birth | 1999 – Maxim Knight, American actor |
| 95097 | August 21 | Death | 672 – Emperor Kōbun of Japan (b. 648) |
| 95098 | August 21 | Death | 1157 – Alfonso VII of León and Castile (b. 1105) |
| 95099 | August 21 | Death | 1271 – Alphonse, Count of Poitiers (b. 1220) |
| 95100 | August 21 | Death | 1614 – Elizabeth Báthory, Hungarian serial killer (b. 1560) |