The following is a list of notable world figures who died on August 18th.

  1. 353 - Decentius, Roman usurper
  2. 472 - Ricimer, Roman general
  3. 849 - Walafrid Strabo, German monk and theologian
  4. 1227 - Genghis Khan, Mongol leader
  5. 1258 - Theodore II Lascaris, Emperor of the Empire of Nicaea
  6. 1276 - Pope Adrian V
  7. 1318 - Clare of Montefalco, Italian Abbess and religious leader (born c. 1268).
  8. 1430 - Thomas de Ros, 9th Baron de Ros, English soldier and politician (drowned) (b. 1406)
  9. 1503 - Pope Alexander VI (b. 1431)
  10. 1559 - Pope Paul IV (b. 1476)
  11. 1563 - Étienne de La Boétie, French judge and writer (b. 1530)
  12. 1613 - Giovanni Artusi, Italian composer
  13. 1620 - Wanli, Emperor of China (b. 1563)
  14. 1634 - Urbain Grandier, French priest (b. 1590)
  15. 1642 - Guido Reni, Italian painter (b. 1575)
  16. 1645 - Eudoxia Streshneva, Tsarina of Mikhail I of Russia (b. 1608)
  17. 1683 - Charles Hart, English actor (b. 1625)
  18. 1707 - William Cavendish, 1st Duke of Devonshire, English soldier and statesman (b. 1640)
  19. 1712 - Richard Savage, 4th Earl Rivers, English soldier
  20. 1765 - Francis I, Holy Roman Emperor (b. 1708)
  21. 1809 - Matthew Boulton, English manufacturer and engineer (b. 1728)
  22. 1815 - Chauncey Goodrich, American politician (b. 1759)
  23. 1842 - Louis de Freycinet, French explorer (b. 1779)
  24. 1850 - Honoré de Balzac, French writer (b. 1799)
  25. 1940 - Walter P. Chrysler, American automobile executive (b. 1875)
  26. 1943 - Ali-Agha Shikhlinski, Russian-Azerbaijani general (b. 1865)
  27. 1949 - Paul Mares, American musician (b. 1900)
  28. 1963 - Clifford Odets, American playwright (b. 1906)
  29. 1981 - Anita Loos, American screenwriter (b. 1889)
  30. 1983 - Nikolaus Pevsner, German-born art historian (b. 1902)
  31. 1990 - Grethe Ingmann, Danish singer (b. 1938)
  32. 1990 - B.F. Skinner, American psychological theorist (b. 1904)
  33. 1994 - Richard Laurence Millington Synge, English chemist, Nobel Prize Laureate (b. 1914)
  34. 1998 - Persis Khambatta, Indian actress (b. 1950)
  35. 2004 - Elmer Bernstein, American composer (b. 1922)
  36. 2005 - Christopher Bauman, American wrestler (b. 1982)