| 104401 | September 12 | Death | 1977 – Steve Biko, South African activist (b. 1946) |
| 104402 | September 12 | Death | 1977 – Les Haylen, Australian journalist and politician (b. 1898) |
| 104403 | September 12 | Death | 1977 – Robert Lowell, American poet and academic (b. 1917) |
| 104404 | September 12 | Death | 1978 – Frank Ferguson, American actor (b. 1899) |
| 104405 | September 12 | Death | 1978 – William Hudson, New Zealand-Australian engineer (b. 1896) |
| 104406 | September 12 | Death | 1981 – Eugenio Montale, Italian poet, essayist and translator, Nobel Prize laureate (b. 1896) |
| 104407 | September 12 | Death | 1982 – Federico Moreno Torroba, Spanish composer and conductor (b. 1891) |
| 104408 | September 12 | Death | 1986 – Jacques Henri Lartigue, French painter and photographer (b. 1894) |
| 104409 | September 12 | Death | 1986 – Frank Nelson, American actor (b. 1911) |
| 104410 | September 12 | Death | 1986 – Charlotte Wolff, German-English psychotherapist and physician (b. 1897) |
| 104411 | September 12 | Death | 1987 – John Qualen, Canadian-American actor and singer (b. 1899) |
| 104412 | September 12 | Death | 1990 – Athene Seyler, English actress (b. 1889) |
| 104413 | September 12 | Death | 1991 – Bruce Matthews, Canadian general and businessman (b. 1909) |
| 104414 | September 12 | Death | 1992 – Anthony Perkins, American actor, singer, and director (b. 1932) |
| 104415 | September 12 | Death | 1992 – Ed Peck, American actor (b. 1917) |
| 104416 | September 12 | Death | 1993 – Raymond Burr, Canadian-American actor and director (b. 1917) |
| 104417 | September 12 | Death | 1994 – Tom Ewell, American actor and singer (b. 1909) |
| 104418 | September 12 | Death | 1994 – Boris Yegorov, Russian physician and astronaut (b. 1937) |
| 104419 | September 12 | Death | 1995 – Jeremy Brett, English actor (b. 1933) |
| 104420 | September 12 | Death | 1995 – Katherine Locke, American actress and singer (b. 1910) |
| 104421 | September 12 | Death | 1995 – Yasutomo Nagai, Japanese motorcycle racer (b. 1965) |
| 104422 | September 12 | Death | 1996 – Ernesto Geisel, Brazilian general and politician, 29th President of Brazil (b. 1907) |
| 104423 | September 12 | Death | 1997 – Idel Jakobson, Latvian NKVD officer (b. 1904) |
| 104424 | September 12 | Death | 1999 – Bill Quackenbush, Canadian-American ice hockey player and coach (b. 1922) |
| 104425 | September 12 | Death | 2000 – Konrad Kujau, German illustrator (b. 1938) |
| 104426 | September 12 | Death | 2000 – Gary Olsen, English actor (b. 1957) |
| 104427 | September 12 | Death | 2000 – Stanley Turrentine, American saxophonist, composer, and bandleader (b. 1934) |
| 104428 | September 12 | Death | 2001 – Victor Wong, American actor (b. 1927) |
| 104429 | September 12 | Death | 2003 – Johnny Cash, American singer-songwriter, guitarist, and actor (The Tennessee Three and The Highwaymen) (b. 1932) |
| 104430 | September 12 | Death | 2004 – Kenny Buttrey, American drummer (Barefoot Jerry and Area Code 615) (b. 1945) |