| 123061 | October 27 | Death | 2012 – Rodney S. Quinn, American colonel, pilot, and politician, 44th Secretary of State of Maine (b. 1923) |
| 123062 | October 27 | Death | 2012 – Göran Stangertz, Swedish actor and director (b. 1944) |
| 123063 | October 27 | Death | 2013 – Vinko Coce, Croatian singer (b. 1954) |
| 123064 | October 27 | Death | 2013 – Noel Davern, Irish lawyer and politician, Minister for Education and Skills (b. 1945) |
| 123065 | October 27 | Death | 2013 – Leonard Herzenberg, American immunologist, geneticist, and academic (b. 1931) |
| 123066 | October 27 | Death | 2013 – Luigi Magni, Italian director and screenwriter (b. 1928) |
| 123067 | October 27 | Death | 2013 – Lou Reed, American singer-songwriter, guitarist, producer, and actor (The Velvet Underground and Metal Machine Trio) (b. 1942) |
| 123068 | October 27 | Death | 2013 – Michael Wilkes, English general and politician, Lieutenant Governor of Jersey (b. 1940) |
| 123069 | October 27 | Death | 2014 – Daniel Boulanger, French actor and screenwriter (b. 1922) |
| 123070 | October 27 | Death | 2014 – Shin Hae-chul, South Korean singer-songwriter and producer (N.EX.T) (b. 1968) |
| 123071 | October 27 | Death | 2014 – William Orchard, Australian water polo player and psychiatrist (b. 1929) |
| 123072 | October 27 | Death | 2014 – Starke Taylor, American soldier and politician, mayor of Dallas (b. 1922) |
| 123073 | October 27 | Death | 2015 – Ranjit Roy Chaudhury, Indian pharmacologist and academic (b. 1930) |
| 123074 | October 27 | Death | 2015 – Philip French, English film critic and radio producer (b. 1933) |
| 123075 | October 27 | Death | 2015 – Herbie Goins, American singer (Blues Incorporated) (b. 1939) |
| 123076 | October 27 | Death | 2015 – Miyu Matsuki, Japanese voice actress and singer (b. 1977) |
| 123077 | October 27 | Death | 2015 – Sam Sarpong, English-American model and actor (b. 1975) |
| 123078 | October 27 | Holiday and observance | Christian feast day:AbbánKaleb of AxumFrumentius (Roman Catholic Church)October 27 (Eastern Orthodox liturgics) |
| 123079 | October 27 | Holiday and observance | Černová Tragedy Day (Slovakia) |
| 123080 | October 27 | Holiday and observance | Flag Day (Greece) |
| 123081 | October 27 | Holiday and observance | Independence Day (Saint Vincent and the Grenadines), celebrates the independence of Saint Vincent and the Grenadines from United Kingdom in 1979. |
| 123082 | October 27 | Holiday and observance | Independence Day (Turkmenistan), celebrates the independence of Turkmenistan from USSR in 1991. |
| 123083 | October 27 | Holiday and observance | Navy Day (United States), first organized to be on this day. |
| 123084 | October 27 | Holiday and observance | World Day for Audiovisual Heritage (International) |
| 123085 | October 28 | Event | 97 – Emperor Nerva is forced by the Praetorian Guard to adopt general Marcus Ulpius Trajanus as his heir and successor. |
| 123086 | October 28 | Event | 306 – Maxentius is proclaimed Roman emperor. |
| 123087 | October 28 | Event | 312 – Battle of the Milvian Bridge: Constantine I defeats Maxentius, becoming the sole Roman emperor in the West. |
| 123088 | October 28 | Event | 456 – The Visigoths brutally sack the Suebi's capital of Braga (Portugal), and the town's churches are burnt to the ground. |
| 123089 | October 28 | Event | 969 – Byzantine general Michael Bourtzes seizes one of Antioch's main wall towers, which he defends against repeated attacks for three days until the reinforcements led by the stratopedarches Peter arrive and secure the city for the Byzantines. |
| 123090 | October 28 | Event | 1061 – Empress Agnes, acting as regent for her son, brings about the election of bishop Cadalus, the antipope Honorius II. |