| 81601 | July 18 | Birth | 1981 – Dennis Seidenberg, German ice hockey player |
| 81602 | July 18 | Birth | 1982 – Ryan Cabrera, American singer-songwriter and guitarist |
| 81603 | July 18 | Birth | 1982 – Priyanka Chopra, Indian model, actress, and singer, Miss World 2000 |
| 81604 | July 18 | Birth | 1982 – Dominika Luzarová, Czech tennis player |
| 81605 | July 18 | Birth | 1983 – Carlos Diogo, Uruguayan footballer |
| 81606 | July 18 | Birth | 1983 – Aaron Gillespie, American singer-songwriter and drummer (Underoath and The Almost) |
| 81607 | July 18 | Birth | 1983 – Mikk Pahapill, Estonian decathlete |
| 81608 | July 18 | Birth | 1983 – Jan Schlaudraff, German footballer |
| 81609 | July 18 | Birth | 1985 – Hopsin, American rapper, producer, and actor |
| 81610 | July 18 | Birth | 1985 – Chace Crawford, American actor |
| 81611 | July 18 | Birth | 1985 – Panagiotis Lagos, Greek footballer |
| 81612 | July 18 | Birth | 1986 – Deniss Karpak, Estonian sailor |
| 81613 | July 18 | Birth | 1986 – Natalia Mikhailova, Russian ice dancer |
| 81614 | July 18 | Birth | 1987 – Tontowi Ahmad, Indonesian badminton player |
| 81615 | July 18 | Birth | 1988 – Änis Ben-Hatira, German-Tunisian footballer |
| 81616 | July 18 | Birth | 1988 – César Villaluz, Mexican footballer |
| 81617 | July 18 | Birth | 1989 – Jamie Benn, Canadian ice hockey player |
| 81618 | July 18 | Birth | 1989 – Sebastian Mielitz, German footballer |
| 81619 | July 18 | Birth | 1989 – Yohan Mollo, French footballer |
| 81620 | July 18 | Birth | 1991 – Karina Pasian, American singer and pianist |
| 81621 | July 18 | Birth | 1991 – Mizuki Yamamoto, Japanese model and actress |
| 81622 | July 18 | Birth | 1993 – Lee Taemin, South Korean singer, dancer, and actor |
| 81623 | July 18 | Death | 707 – Emperor Monmu of Japan (b. 683) |
| 81624 | July 18 | Death | 715 – Muhammad bin Qasim, Umayyad general (b. 695) |
| 81625 | July 18 | Death | 912 – Zhu Wen, Chinese emperor (b. 852) |
| 81626 | July 18 | Death | 1100 – Godfrey of Bouillon, Frankish knight (b. 1016) |
| 81627 | July 18 | Death | 1300 – Gerard Segarelli, Italian religious leader, founded the Apostolic Brethren (b. 1240) |
| 81628 | July 18 | Death | 1566 – Bartolomé de las Casas, Spanish bishop and historian (b. 1484) |
| 81629 | July 18 | Death | 1591 – Jacobus Gallus, Slovenian composer (b. 1550) |
| 81630 | July 18 | Death | 1608 – Joachim III Frederick, Elector of Brandenburg (b. 1546) |