| 99121 | August 31 | Death | 1888 – Mary Ann Nichols, English victim of Jack the Ripper (b. 1845) |
| 99122 | August 31 | Death | 1908 – Leslie Green, English architect (b. 1875) |
| 99123 | August 31 | Death | 1910 – Emīls Dārziņš, Latvian composer, conductor, and music critic (b. 1875) |
| 99124 | August 31 | Death | 1912 – Jean, duc Decazes, French sailor (b. 1864) |
| 99125 | August 31 | Death | 1920 – Jens Oliver Lisberg, Faroese flag designer, designed the Flag of the Faroe Islands (b. 1896) |
| 99126 | August 31 | Death | 1920 – Wilhelm Wundt, German physician, psychologist, and philosopher (b. 1832) |
| 99127 | August 31 | Death | 1924 – Todor Aleksandrov, Bulgarian soldier (b. 1881) |
| 99128 | August 31 | Death | 1927 – Andranik, Armenian general (b. 1865) |
| 99129 | August 31 | Death | 1927 – William Frank Carver, American target shooter (b. 1851) |
| 99130 | August 31 | Death | 1940 – Georges Gauthier, Canadian archbishop (b. 1871) |
| 99131 | August 31 | Death | 1941 – Marina Tsvetaeva, Russian poet and author (b. 1892) |
| 99132 | August 31 | Death | 1948 – Billy Laughlin, American actor (b. 1932) |
| 99133 | August 31 | Death | 1948 – Andrei Zhdanov, Russian civil servant and politician (b. 1896) |
| 99134 | August 31 | Death | 1952 – Henri Bourassa, Canadian publisher and politician (b. 1868) |
| 99135 | August 31 | Death | 1954 – Elsa Barker, American author and poet (b. 1869) |
| 99136 | August 31 | Death | 1963 – Georges Braque, French painter and sculptor (b. 1882) |
| 99137 | August 31 | Death | 1965 – E. E. Smith, American engineer and author (b. 1890) |
| 99138 | August 31 | Death | 1967 – Ilya Ehrenburg, Russian journalist and author (b. 1891) |
| 99139 | August 31 | Death | 1968 – John Hartle, English motorcycle racer (b. 1933) |
| 99140 | August 31 | Death | 1969 – Rocky Marciano, American boxer and actor (b. 1923) |
| 99141 | August 31 | Death | 1973 – John Ford, American actor, director, producer, and screenwriter (b. 1894) |
| 99142 | August 31 | Death | 1974 – William Pershing Benedict, American soldier and pilot (b. 1928) |
| 99143 | August 31 | Death | 1974 – Norman Kirk, New Zealand engineer and politician, 29th Prime Minister of New Zealand (b. 1923) |
| 99144 | August 31 | Death | 1978 – John Wrathall, Rhodesian accountant and politician, 2nd President of Rhodesia (b. 1913) |
| 99145 | August 31 | Death | 1979 – Sally Rand, American actress and dancer (b. 1904) |
| 99146 | August 31 | Death | 1979 – Tiger Smith, English cricketer and coach (b. 1886) |
| 99147 | August 31 | Death | 1984 – Audrey Wagner, American baseball player, obstetrician, and gynecologist (b. 1927) |
| 99148 | August 31 | Death | 1985 – Frank Macfarlane Burnet, Australian virologist and academic, Nobel Prize laureate (b. 1899) |
| 99149 | August 31 | Death | 1986 – Elizabeth Coatsworth, American author and poet (b. 1893) |
| 99150 | August 31 | Death | 1986 – Urho Kekkonen, Finnish journalist, lawyer, and politician, 8th President of Finland (b. 1900) |