| 17821 | February 14 | Death | 2013 – Ronald Dworkin, American philosopher and scholar (b. 1931) |
| 17822 | February 14 | Death | 2013 – Goldie Harvey, Nigerian singer-songwriter (b. 1983) |
| 17823 | February 14 | Death | 2013 – T. L. Osborn, American evangelist and author (b. 1923) |
| 17824 | February 14 | Death | 2013 – Reeva Steenkamp, South African model (b. 1983) |
| 17825 | February 14 | Death | 2013 – Kazuo Tsunoda, Japanese lieutenant and pilot (b. 1918) |
| 17826 | February 14 | Death | 2014 – George Anastaplo, American philosopher, author, and academic (b. 1925) |
| 17827 | February 14 | Death | 2014 – Tom Finney, English footballer (b. 1922) |
| 17828 | February 14 | Death | 2014 – Jim Fregosi, American baseball player and manager (b. 1942) |
| 17829 | February 14 | Death | 2014 – John Henson, American puppeteer and voice actor (b. 1965) |
| 17830 | February 14 | Death | 2014 – Chris Pearson, Canadian politician, 1st Premier of Yukon (b. 1931) |
| 17831 | February 14 | Death | 2014 – Mike Stepovich, American lawyer and politician, Governor of Alaska Territory (b. 1919) |
| 17832 | February 14 | Death | 2015 – Pamela Cundell, English actress (b. 1920) |
| 17833 | February 14 | Death | 2015 – Louis Jourdan, French-American actor and singer (b. 1921) |
| 17834 | February 14 | Death | 2015 – Philip Levine, American poet and academic (b. 1928) |
| 17835 | February 14 | Death | 2015 – Franjo Mihalić, Croatian-Serbian runner and coach (b. 1920) |
| 17836 | February 14 | Death | 2015 – Wim Ruska, Dutch wrestler and martial artist (b. 1940) |
| 17837 | February 14 | Holiday and observance | Christian feast day:Cyril and Methodius, patron saints of Europe (Roman Catholic Church)ValentineFebruary 14 (Eastern Orthodox liturgics) |
| 17838 | February 14 | Holiday and observance | Communist Martyrs Day (Iraqi Communist Party) |
| 17839 | February 14 | Holiday and observance | Statehood Day (Arizona) |
| 17840 | February 14 | Holiday and observance | Statehood Day (Oregon) |
| 17841 | February 14 | Holiday and observance | The second day of Lupercalia (Ancient Rome) |
| 17842 | February 14 | Holiday and observance | Valentine's Day (International) |
| 17843 | February 15 | Event | 590 – Khosrau II is crowned king of Persia. |
| 17844 | February 15 | Event | 706 – Byzantine emperor Justinian II has his predecessors Leontios and Tiberios III publicly executed in the Hippodrome of Constantinople. |
| 17845 | February 15 | Event | 1113 – Pope Paschal II issues a bill sanctioning the establishment of the Order of Hospitallers. |
| 17846 | February 15 | Event | 1214 – John, King of England, lands an invasion force at La Rochelle in France. |
| 17847 | February 15 | Event | 1493 – While on board the Niña, Christopher Columbus writes an open letter (widely distributed upon his return to Portugal) describing his discoveries and the unexpected items he came across in the New World. |
| 17848 | February 15 | Event | 1637 – Ferdinand III becomes Holy Roman Emperor. |
| 17849 | February 15 | Event | 1690 – Constantin Cantemir, Prince of Moldavia, and the Holy Roman Empire sign a secret treaty in Sibiu, stipulating that Moldavia would support the actions led by the House of Habsburg against the Ottoman Empire. |
| 17850 | February 15 | Event | 1764 – The city of St. Louis is established in Spanish Louisiana (now in Missouri, USA). |