| 115381 | October 8 | Death | 2014 – Harden M. McConnell, American chemist and academic (b. 1927) |
| 115382 | October 8 | Death | 2014 – Zilpha Keatley Snyder, American author (b. 1927) |
| 115383 | October 8 | Death | 2014 – Jeen van den Berg, Dutch speed skater (b. 1928) |
| 115384 | October 8 | Death | 2015 – Richard Davies, Welsh-English actor (b. 1926) |
| 115385 | October 8 | Death | 2015 – Jim Diamond, Scottish singer-songwriter (Bandit and Ph.D.) (b. 1951) |
| 115386 | October 8 | Death | 2015 – Dennis Eichhorn, American author and illustrator (b. 1945) |
| 115387 | October 8 | Death | 2015 – Lindy Infante, American football player and coach (b. 1940) |
| 115388 | October 8 | Death | 2015 – Paul Prudhomme, American chef and author (b. 1940) |
| 115389 | October 8 | Holiday and observance | Christian feast day:Palatias and LaurentiaPelagia (Eastern Orthodox and Roman Catholic Churces)San Ernesto, Che Guevara as a saint. (Bolivian campesinos)William Dwight Porter Bliss and Richard T. Ely (Episcopal Church)October 8 (Eastern Orthodox liturgics |
| 115390 | October 8 | Holiday and observance | Earliest day on which Columbus Day can fall, while October 14 is the latest observed on the second Monday of October (United States) and its related observance (see also October 12):Discoverer's Day (Hawaii)Indigenous Peoples' Day, a counter Columbus Day |
| 115391 | October 8 | Holiday and observance | Earliest day on which Mother's Day can fall, while October 14 is the latest celebrated on the second Monday in October. (Malawi) |
| 115392 | October 8 | Holiday and observance | Earliest day on which the first day of Fire Prevention Week can fall, while October 14 is the latest observed on the second week in October. (United States and Canada) |
| 115393 | October 8 | Holiday and observance | Earliest day on which Thanksgiving can fall, while October 14 is the latest observed on the second week in October. (Canada) |
| 115394 | October 8 | Holiday and observance | Earliest day on which White Sunday can fall, while October 14 is the latest celebrated on the second Sunday in October. (Samoa, Tonga) |
| 115395 | October 8 | Holiday and observance | World Space Week (October 4-10) |
| 115396 | October 8 | Holiday and observance | Air Force Day (India) |
| 115397 | October 8 | Holiday and observance | Arbor Day (Namibia) |
| 115398 | October 8 | Holiday and observance | Children's Day (Iran) |
| 115399 | October 8 | Holiday and observance | Independence Day, celebrates the official separation of Croatia from Yugoslavia in 1991. |
| 115400 | October 8 | Holiday and observance | Navy Day (Peru) |
| 115401 | October 9 | Event | 768 – Carloman I and Charlemagne are crowned Kings of The Franks. |
| 115402 | October 9 | Event | 1238 – James I of Aragon conquers Valencia and founds the Kingdom of Valencia. |
| 115403 | October 9 | Event | 1264 – The Kingdom of Castile conquers the city of Jerez, which had been under Muslim occupation since 711. |
| 115404 | October 9 | Event | 1410 – The first mention of the Prague astronomical clock. |
| 115405 | October 9 | Event | 1446 – The hangul alphabet is published in Korea. |
| 115406 | October 9 | Event | 1514 – Marriage of Louis XII of France and Mary Tudor. |
| 115407 | October 9 | Event | 1582 – Because of the implementation of the Gregorian calendar, this day does not exist in this year in Italy, Poland, Portugal and Spain. |
| 115408 | October 9 | Event | 1594 – The army of the Portuguese Empire is annihilated by the Kingdom of Kandy on Sri Lanka, bringing an end to the Campaign of Danture. |
| 115409 | October 9 | Event | 1595 – The Spanish army captures Cambrai. |
| 115410 | October 9 | Event | 1604 – Supernova 1604, the most recent supernova to be observed in the Milky Way. |