| 82351 | July 20 | Birth | 1985 – David Mundy, Australian footballer |
| 82352 | July 20 | Birth | 1985 – Anastasia Perraki, Greek model |
| 82353 | July 20 | Birth | 1986 – Osric Chau, Canadian actor, director, producer, and screenwriter |
| 82354 | July 20 | Birth | 1987 – Nicola Benedetti, Scottish violinist |
| 82355 | July 20 | Birth | 1987 – Kōsuke Kujirai, Japanese actor and singer |
| 82356 | July 20 | Birth | 1987 – Niall McGinn, Irish footballer |
| 82357 | July 20 | Birth | 1988 – Julianne Hough, American singer-songwriter, actress, and dancer |
| 82358 | July 20 | Birth | 1988 – Stephen Strasburg, American baseball player |
| 82359 | July 20 | Birth | 1989 – Brooke Candy, American rapper and dancer |
| 82360 | July 20 | Birth | 1989 – Javier Cortés, Mexican footballer |
| 82361 | July 20 | Birth | 1989 – Witwisit Hiranyawongkul, Thai actor and singer |
| 82362 | July 20 | Birth | 1989 – Cristian Pasquato, Italian footballer |
| 82363 | July 20 | Birth | 1990 – Lars Unnerstall, German footballer |
| 82364 | July 20 | Birth | 1991 – Philipp Reiter, German mountaineer and runner |
| 82365 | July 20 | Birth | 1991 – Andrew Shaw, Canadian ice hockey player |
| 82366 | July 20 | Birth | 1991 – Vladislav Timakov, Russian water polo player (d. 2015) |
| 82367 | July 20 | Birth | 1993 – Atınç Nukan, Turkish footballer |
| 82368 | July 20 | Birth | 1993 – Alycia Debnam-Carey, Australian actress |
| 82369 | July 20 | Birth | 1994 – Caroline Corinth, Danish model |
| 82370 | July 20 | Birth | 1996 – Rahul Raj Mayer, Malaysian racing driver |
| 82371 | July 20 | Birth | 1999 – Princess Alexandra of Hanover |
| 82372 | July 20 | Death | 940 – Ibn Muqla, Iraqi calligrapher and politician (b. 885) |
| 82373 | July 20 | Death | 985 – Antipope Boniface VII (b. 930) |
| 82374 | July 20 | Death | 1031 – Robert II of France (b. 972) |
| 82375 | July 20 | Death | 1156 – Emperor Toba of Japan (b. 1103) |
| 82376 | July 20 | Death | 1320 – Oshin, King of Armenia (b. 1282) |
| 82377 | July 20 | Death | 1387 – Robert IV of Artois, Count of Eu (b. 1356) |
| 82378 | July 20 | Death | 1398 – Roger Mortimer, 4th Earl of March, Welsh politician (b. 1374) |
| 82379 | July 20 | Death | 1453 – Enguerrand de Monstrelet, French historian and author (b. 1400) |
| 82380 | July 20 | Death | 1454 – John II of Castile (b. 1405) |