| 15601 | February 9 | Event | 1965 – Vietnam War: The first United States troops with a combat mission, a Marine Corps Hawk air defense missile battalion, are sent to South Vietnam. |
| 15602 | February 9 | Event | 1969 – First test flight of the Boeing 747. |
| 15603 | February 9 | Event | 1971 – The Sylmar earthquake hits the San Fernando Valley area of California. |
| 15604 | February 9 | Event | 1971 – Satchel Paige becomes the first Negro League player to be voted into the USA's Baseball Hall of Fame. |
| 15605 | February 9 | Event | 1971 – Apollo program: Apollo 14 returns to Earth after the third manned Moon landing. |
| 15606 | February 9 | Event | 1975 – The Soyuz 17 Soviet spacecraft returns to Earth. |
| 15607 | February 9 | Event | 1986 – Halley's Comet last appeared in the inner Solar System. |
| 15608 | February 9 | Event | 1991 – Voters in Lithuania vote for independence. |
| 15609 | February 9 | Event | 1996 – The Provisional Irish Republican Army declares the end to its 18-month ceasefire and explodes a large bomb in London's Canary Wharf. |
| 15610 | February 9 | Event | 2001 – The American submarine USS Greeneville accidentally strikes and sinks the Ehime-Maru, a Japanese training vessel operated by the Uwajima Fishery High School. |
| 15611 | February 9 | Event | 2013 – A 6.9 magnitude earthquake strikes southwest Colombia causing major disruption to the region and injuring at least 15 people. |
| 15612 | February 9 | Birth | 1441 – Ali-Shir Nava'i, Turkish poet, linguist, and painter (d. 1501) |
| 15613 | February 9 | Birth | 1533 – Shimazu Yoshihisa, Japanese daimyo (d. 1611) |
| 15614 | February 9 | Birth | 1645 – Johann Aegidius Bach, German viola player (d. 1716) |
| 15615 | February 9 | Birth | 1666 – George Hamilton, 1st Earl of Orkney, Scottish field marshal (d. 1737) |
| 15616 | February 9 | Birth | 1711 – Luis Vicente de Velasco e Isla, Spanish sailor and commander (d. 1762) |
| 15617 | February 9 | Birth | 1737 – Thomas Paine, English-born American philosopher, author, and activist (d. 1809) |
| 15618 | February 9 | Birth | 1741 – Henri-Joseph Rigel, German-French composer (d. 1799) |
| 15619 | February 9 | Birth | 1747 – Sir John Duckworth, 1st Baronet, English admiral and politician, Commodore Governor of Newfoundland (d. 1817) |
| 15620 | February 9 | Birth | 1751 – Antoine Bullant, Czech bassoon player and composer (d. 1821) |
| 15621 | February 9 | Birth | 1756 – Karel Blažej Kopřiva, Czech organist and composer (d. 1785) |
| 15622 | February 9 | Birth | 1763 – Louis I, Grand Duke of Baden (d. 1830) |
| 15623 | February 9 | Birth | 1769 – George W. Campbell, Scottish-American lawyer and politician, 5th United States Secretary of the Treasury (d. 1848) |
| 15624 | February 9 | Birth | 1773 – William Henry Harrison, American general and politician, 9th President of the United States (d. 1841) |
| 15625 | February 9 | Birth | 1775 – Farkas Bolyai, Romanian-Hungarian mathematician and academic (d. 1856) |
| 15626 | February 9 | Birth | 1781 – Johann Baptist von Spix, German biologist and explorer (d. 1826) |
| 15627 | February 9 | Birth | 1783 – Vasily Zhukovsky, Russian poet and translator (d. 1852) |
| 15628 | February 9 | Birth | 1789 – Franz Xaver Gabelsberger, German engineer, invented Gabelsberger shorthand (d. 1849) |
| 15629 | February 9 | Birth | 1792 – Thomas Cooke, Canadian bishop and missionary (d. 1870) |
| 15630 | February 9 | Birth | 1800 – Hyrum Smith, American religious leader (d. 1844) |