| 18541 | February 16 | Holiday and observance | Restoration of Lithuania's Statehood Day, celebrate the independence of Lithuania from Russia and Germany in 1918 (Lithuania) |
| 18542 | February 17 | Event | 364 – Roman Emperor Jovian dies after a reign of eight months. He is found dead in his tent at Tyana (Asia Minor) en route back to Constantinople in suspicious circumstances. |
| 18543 | February 17 | Event | 1370 – Northern Crusades: Grand Duchy of Lithuania and the Teutonic Knights meet in the Battle of Rudau. |
| 18544 | February 17 | Event | 1411 – Following the successful campaigns during the Ottoman Interregnum, Musa Çelebi, one of the sons of Bayezid I, becomes Sultan with the support of Mircea I of Wallachia. |
| 18545 | February 17 | Event | 1500 – Duke Friedrich and Duke Johann attempt to subdue the peasantry of Dithmarschen, Denmark, in the Battle of Hemmingstedt. |
| 18546 | February 17 | Event | 1600 – The philosopher Giordano Bruno is burned alive, for heresy, at Campo de' Fiori in Rome. |
| 18547 | February 17 | Event | 1621 – Myles Standish is appointed as first commander of the English Plymouth Colony in North America. |
| 18548 | February 17 | Event | 1753 – In Sweden February 17 is followed by March 1 as the country moves from the Julian calendar to the Gregorian calendar. |
| 18549 | February 17 | Event | 1801 – An electoral tie between Thomas Jefferson and Aaron Burr is resolved when Jefferson is elected President of the United States and Burr, Vice President by the United States House of Representatives. |
| 18550 | February 17 | Event | 1814 – War of the Sixth Coalition: The Battle of Mormans. |
| 18551 | February 17 | Event | 1819 – The United States House of Representatives passes the Missouri Compromise for the first time. |
| 18552 | February 17 | Event | 1838 – Weenen massacre: Hundreds of Voortrekkers along the Blaukraans River, Natal are killed by Zulus. |
| 18553 | February 17 | Event | 1854 – The United Kingdom recognizes the independence of the Orange Free State. |
| 18554 | February 17 | Event | 1863 – A group of citizens of Geneva founded an International Committee for Relief to the Wounded, which later became known as the International Committee of the Red Cross. |
| 18555 | February 17 | Event | 1864 – American Civil War: The H. L. Hunley becomes the first submarine to engage and sink a warship, the USS Housatonic. |
| 18556 | February 17 | Event | 1865 – American Civil War: Columbia, South Carolina, is burned as Confederate forces flee from advancing Union forces. |
| 18557 | February 17 | Event | 1871 – The victorious Prussian Army parades through Paris, France, after the end of the Siege of Paris during the Franco-Prussian War. |
| 18558 | February 17 | Event | 1904 – Madama Butterfly receives its première at La Scala in Milan. |
| 18559 | February 17 | Event | 1913 – The Armory Show opens in New York City, displaying works of artists who are to become some of the most influential painters of the early 20th century. |
| 18560 | February 17 | Event | 1919 – The Ukrainian People's Republic asks Entente and the US for help fighting the Bolsheviks. |
| 18561 | February 17 | Event | 1933 – The Blaine Act ends Prohibition in the United States. |
| 18562 | February 17 | Event | 1933 – Newsweek magazine is first published. |
| 18563 | February 17 | Event | 1944 – World War II: The Battle of Eniwetok Atoll begins. The battle ends in an American victory on February 22. |
| 18564 | February 17 | Event | 1944 – World War II: Operation Hailstone begins. U.S. naval air, surface, and submarine attack against Truk Lagoon, Japan's main base in the central Pacific, in support of the Eniwetok invasion. |
| 18565 | February 17 | Event | 1949 – Chaim Weizmann begins his term as the first President of Israel. |
| 18566 | February 17 | Event | 1959 – Project Vanguard: Vanguard 2 – The first weather satellite is launched to measure cloud-cover distribution. |
| 18567 | February 17 | Event | 1964 – In Wesberry v. Sanders the Supreme Court of the United States rules that congressional districts have to be approximately equal in population. |
| 18568 | February 17 | Event | 1964 – Gabonese president Léon M'ba is toppled by a coup and his rival, Jean-Hilaire Aubame, is installed in his place. |
| 18569 | February 17 | Event | 1965 – Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for th |
| 18570 | February 17 | Event | 1968 – In Springfield, Massachusetts, the Naismith Memorial Basketball Hall of Fame opens. |