| 17864 | February 15 | Event | 1933 – In Miami, Giuseppe Zangara attempts to assassinate US President-elect Franklin D. Roosevelt, but instead shoots Chicago mayor Anton J. Cermak, who dies of his wounds on March 6, 1933. |
| 17865 | February 15 | Event | 1942 – World War II: Fall of Singapore. Following an assault by Japanese forces, the British General Arthur Percival surrenders. About 80,000 Indian, United Kingdom and Australian soldiers become prisoners of war, the largest surrender of British-led mili |
| 17866 | February 15 | Event | 1944 – World War II: The assault on Monte Cassino, Italy begins. |
| 17867 | February 15 | Event | 1944 – World War II: The Narva Offensive begins. |
| 17868 | February 15 | Event | 1945 – World War II: Third day of bombing in Dresden. |
| 17869 | February 15 | Event | 1946 – ENIAC, the first electronic general-purpose computer, is formally dedicated at the University of Pennsylvania in Philadelphia. |
| 17870 | February 15 | Event | 1949 – Gerald Lankester Harding and Roland de Vaux begin excavations at Cave 1 of the Qumran Caves, where they will eventually discover the first seven Dead Sea Scrolls. |
| 17871 | February 15 | Event | 1952 – King George VI of the United Kingdom is buried in St George's Chapel, Windsor Castle. |
| 17872 | February 15 | Event | 1953 – Parliamentary elections held in Liechtenstein. |
| 17873 | February 15 | Event | 1954 – Canada and the United States agree to construct the Distant Early Warning Line, a system of radar stations in the far northern Arctic regions of Canada and Alaska. |
| 17874 | February 15 | Event | 1961 – Sabena Flight 548 crashes in Belgium, killing 73, including the entire United States figure skating team along with several of their coaches and family members. |
| 17875 | February 15 | Event | 1965 – A new red-and-white maple leaf design is adopted as the flag of Canada, replacing the old Canadian Red Ensign banner. |
| 17876 | February 15 | Event | 1971 – The decimalisation of British coinage is completed on Decimal Day. |
| 17877 | February 15 | Event | 1972 – Sound recordings are granted U.S. federal copyright protection for the first time. |
| 17878 | February 15 | Event | 1972 – José María Velasco Ibarra, serving as President of Ecuador for the fifth time, is overthrown by the military for the fourth time. |
| 17879 | February 15 | Event | 1976 – The 1976 Constitution of Cuba is adopted by national referendum. |
| 17880 | February 15 | Event | 1979 – Don Dunstan resigns as Premier of South Australia, ending a decade of sweeping social liberalisation. |
| 17851 | February 15 | Event | 1798 – The Roman Republic is proclaimed after Louis-Alexandre Berthier, a general of Napoleon, had invaded the city of Rome five days earlier. |
| 17852 | February 15 | Event | 1804 – The Serbian Revolution begins. |
| 17853 | February 15 | Event | 1835 – The first constitutional law in modern Serbia is adopted. |
| 17854 | February 15 | Event | 1862 – American Civil War: General Ulysses S. Grant attacks Fort Donelson, Tennessee. |
| 17855 | February 15 | Event | 1870 – Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering. |
| 17856 | February 15 | Event | 1879 – Women's rights: US President Rutherford B. Hayes signs a bill allowing female attorneys to argue cases before the Supreme Court of the United States. |
| 17857 | February 15 | Event | 1891 – Allmänna Idrottsklubben (AIK) (Swedish Sports Club) is founded. |
| 17858 | February 15 | Event | 1898 – The battleship USS Maine explodes and sinks in Havana harbor in Cuba, killing 274. This event leads the United States to declare war on Spain. |
| 17859 | February 15 | Event | 1901 – The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza. |
| 17860 | February 15 | Event | 1909 – The Flores Theater fire in Acapulco, Mexico kills 250. |
| 17861 | February 15 | Event | 1921 – Kingdom of Romania establishes its legation in Helsinki. |
| 17862 | February 15 | Event | 1923 – Greece becomes the last European country to adopt the Gregorian calendar. |
| 17863 | February 15 | Event | 1925 – The 1925 serum run to Nome: The serum arrives in Nome, Alaska, with Balto being the lead dog of the last team. |