| 112981 | October 2 | Death | 2012 – Mohammed Mushaima, Bahraini activist (b. 1988) |
| 112982 | October 2 | Death | 2012 – Hideji Ōtaki, Japanese actor (b. 1925) |
| 112983 | October 2 | Death | 2012 – Charles Roach, Trinidadian-Canadian lawyer and activist (b. 1933) |
| 112984 | October 2 | Death | 2012 – J. Philippe Rushton, English-Canadian psychologist, theorist, academic (b. 1943) |
| 112985 | October 2 | Death | 2012 – Big Jim Sullivan, English guitarist (James Last Orchestra) (b. 1941) |
| 112986 | October 2 | Death | 2013 – Gottfried Fischer, German psychologist, therapist, and academic (b. 1944) |
| 112987 | October 2 | Death | 2013 – Herman Hugg, American painter and sculptor (b. 1921) |
| 112988 | October 2 | Death | 2013 – Jonathan Kaufer, American director and screenwriter (b. 1955) |
| 112989 | October 2 | Death | 2013 – Abraham Nemeth, American mathematician and academic (b. 1918) |
| 112990 | October 2 | Death | 2013 – Kaare Ørnung, Norwegian pianist and educator (b. 1931) |
| 112991 | October 2 | Death | 2014 – Robert Flower, Australian footballer (b. 1955) |
| 112992 | October 2 | Death | 2014 – Vaughn O. Lang, American general (b. 1927) |
| 112993 | October 2 | Death | 2014 – Pedro Peña, Spanish actor (b. 1925) |
| 112994 | October 2 | Death | 2014 – Frederic Tamler Sommers, American philosopher and academic (b. 1923) |
| 112995 | October 2 | Death | 2015 – Eric Arturo Delvalle, Panamanian lawyer and politician, President of Panama (b. 1937) |
| 112996 | October 2 | Death | 2015 – Brian Friel, Irish author, playwright, and director (b. 1929) |
| 112997 | October 2 | Death | 2015 – Rodolfo Frigeri, Argentinian economist and politician, Argentinian Minister of Finance (b. 1942) |
| 112998 | October 2 | Death | 2015 – Coleridge Goode, Jamaican-English bassist and composer (b. 1914) |
| 112999 | October 2 | Death | 2015 – James Mutende, Ugandan veterinarian, economist, politician (b. 1962) |
| 113000 | October 2 | Death | 2015 – Johnny Paton, Scottish footballer, coach, and manager (b. 1923) |
| 113001 | October 2 | Holiday and observance | Christian feast day:Blessed Bartolomé BlancoFeast of the Guardian AngelsLeodegarOctober 2 (Eastern Orthodox liturgics) |
| 113002 | October 2 | Holiday and observance | Batik Day (Indonesia) |
| 113003 | October 2 | Holiday and observance | Gandhi's birthday-related observances:Gandhi Jayanti (India)International Day of Non-Violence (International)World Day for Farmed Animals |
| 113004 | October 2 | Holiday and observance | Independence Day (Guinea), celebrates the independence of Guinea from France in 1958 |
| 113005 | October 2 | Holiday and observance | Mehregan, according to Iranian civil calendar (Iran) |
| 113006 | October 2 | Holiday and observance | National Grandparents Day (Italy) |
| 113007 | October 3 | Event | 52 BC – Vercingetorix, leader of the Gauls, surrenders to the Romans under Julius Caesar, ending the siege and Battle of Alesia. |
| 113008 | October 3 | Event | 42 BC – First Battle of Philippi: Triumvirs Mark Antony and Octavian fight a decisive battle with Caesar's assassins Brutus and Cassius. |
| 113009 | October 3 | Event | 382 – Roman Emperor Theodosius I concludes a peace treaty with the Goths and settles them in the Balkans in exchange for military service. |
| 113010 | October 3 | Event | 1283 – Dafydd ap Gruffydd, prince of Gwynedd in Wales, is the first nobleman to be executed by hanging, drawing and quartering. |