| 112921 | October 2 | Death | 1803 – Samuel Adams, American philosopher and politician, 4th Governor of Massachusetts (b. 1722) |
| 112922 | October 2 | Death | 1804 – Nicolas-Joseph Cugnot, French engineer (b. 1725) |
| 112923 | October 2 | Death | 1850 – Sarah Biffen, English painter (b. 1784) |
| 112924 | October 2 | Death | 1853 – François Arago, French mathematician, physicist, astronomer, and politician, 25th Prime Minister of France (b. 1786) |
| 112925 | October 2 | Death | 1920 – Max Bruch, German composer and conductor (b. 1838) |
| 112926 | October 2 | Death | 1927 – Svante Arrhenius, Swedish physicist and chemist, Nobel Prize laureate (b. 1859) |
| 112927 | October 2 | Death | 1938 – Alexandru Averescu, Romanian field marshal and politician, 24th Prime Minister of Romania (b. 1859) |
| 112928 | October 2 | Death | 1938 – André Lagache, French race car driver and engineer (b. 1885) |
| 112929 | October 2 | Death | 1947 – P. D. Ouspensky, Russian-English mathematician and philosopher (b. 1878) |
| 112930 | October 2 | Death | 1953 – John Marin, American painter (b. 1870) |
| 112931 | October 2 | Death | 1955 – Humphrey Barclay, English priest (b. 1882) |
| 112932 | October 2 | Death | 1955 – William Orthwein, American swimmer and water polo player (b. 1881) |
| 112933 | October 2 | Death | 1962 – Boris Yakovlevich Bukreev, Russian mathematician and author (b. 1859) |
| 112934 | October 2 | Death | 1968 – Marcel Duchamp, French painter and sculptor (b. 1887) |
| 112935 | October 2 | Death | 1971 – Jessie Arms Botke, American painter (b. 1883) |
| 112936 | October 2 | Death | 1971 – Bola de Nieve, Cuban-Mexican singer-songwriter and pianist (b. 1911) |
| 112937 | October 2 | Death | 1973 – Paul Hartman, American actor, singer, and dancer (b. 1904) |
| 112938 | October 2 | Death | 1973 – Paavo Nurmi, Finnish runner (b. 1897) |
| 112939 | October 2 | Death | 1974 – Vasily Shukshin, Russian actor, director, and screenwriter (b. 1929) |
| 112940 | October 2 | Death | 1975 – K. Kamaraj, Indian lawyer and politician (b. 1903) |
| 112941 | October 2 | Death | 1981 – Harry Golden, American journalist and author (b. 1902) |
| 112942 | October 2 | Death | 1981 – Hazel Scott, Trinidadian-American singer, pianist, and actress (b. 1920) |
| 112943 | October 2 | Death | 1985 – Rock Hudson, American actor and singer (b. 1925) |
| 112944 | October 2 | Death | 1987 – Madeleine Carroll, English-American actress (b. 1906) |
| 112945 | October 2 | Death | 1987 – Peter Medawar, Brazilian-English biologist and zoologist, Nobel Prize laureate (b. 1915) |
| 112946 | October 2 | Death | 1988 – Alec Issigonis, Greek-English car designer, designed the Mini (b. 1906) |
| 112947 | October 2 | Death | 1989 – Aarne Viisimaa, Estonian tenor and director (b. 1898) |
| 112948 | October 2 | Death | 1991 – Hazen Argue, Canadian politician (b. 1921) |
| 112949 | October 2 | Death | 1991 – Demetrios I of Constantinople (b. 1914) |
| 112950 | October 2 | Death | 1994 – Harriet Nelson, American actress and singer (b. 1909) |