| 20941 | February 24 | Event | 1881 – China and Russia sign the Sino-Russian Ili Treaty. |
| 20942 | February 24 | Event | 1895 – Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898. |
| 20943 | February 24 | Event | 1916 – The Governor-General of Korea establishes a clinic called Jahyewon in Sorokdo to segregate Hansen's disease patients. |
| 20944 | February 24 | Event | 1917 – World War I: The U.S. ambassador to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States. |
| 20945 | February 24 | Event | 1918 – Estonian Declaration of Independence. |
| 20946 | February 24 | Event | 1920 – The Nazi Party is founded. |
| 20947 | February 24 | Event | 1942 – The Battle of Los Angeles, one of the largest documented UFO sightings in history the event lasted into the early hours of February 25. |
| 20948 | February 24 | Event | 1942 – An order-in-council passed under the Defence of Canada Regulations of the War Measures Act gives the Canadian federal government the power to intern all "persons of Japanese racial origin". |
| 20949 | February 24 | Event | 1944 – Merrill's Marauders: The Marauders begin their 1,000-mile journey through Japanese occupied Burma. |
| 20950 | February 24 | Event | 1945 – Egyptian Premier Ahmad Mahir Pasha is killed in Parliament after reading a decree. |
| 20951 | February 24 | Event | 1946 – Colonel Juan Perón, founder of the political movement that became known as Peronism, elected to his first term as President of Argentina. |
| 20952 | February 24 | Event | 1968 – Vietnam War: The Tet Offensive is halted South Vietnam recaptures Hué. |
| 20953 | February 24 | Event | 1971 – The All India Forward Bloc holds an emergency central committee meeting after its chairman, Hemantha Kumar Bose, is killed three days earlier. P.K. Mookiah Thevar is appointed as the new chairman. |
| 20954 | February 24 | Event | 1976 – Cuba: national Constitution is proclaimed. |
| 20955 | February 24 | Event | 1980 – The United States Olympic Hockey team completes its Miracle on Ice by defeating Finland 4–2 to win the gold medal. |
| 20956 | February 24 | Event | 1981 – An earthquake registering 6.7 on the Richter scale hits Athens, killing 16 people and destroying buildings in several towns west of the city. |
| 20957 | February 24 | Event | 1983 – A special commission of the U.S. Congress releases a report that condemns the practice of Japanese internment during World War II. |
| 20958 | February 24 | Event | 1984 – Tyrone Mitchell perpetrates the 49th Street Elementary School shooting in Los Angeles, killing two children and injuring 12 more. |
| 20959 | February 24 | Event | 1989 – Ayatollah Ruhollah Khomeini offers a US$3 million bounty for the death of The Satanic Verses author Salman Rushdie. |
| 20960 | February 24 | Event | 1989 – United Airlines Flight 811, bound for New Zealand from Honolulu, rips open during flight, blowing nine passengers out of the business-class section. |
| 20961 | February 24 | Event | 1999 – The U.S. state of Arizona executes Karl LaGrand, a German national convicted of murder during a botched bank robbery, in spite of Germany's legal action to attempt to save him. |
| 20962 | February 24 | Event | 2006 – Philippine President Gloria Macapagal-Arroyo declares Proclamation 1017 placing the country in a state of emergency in attempt to subdue a possible military coup. |
| 20963 | February 24 | Event | 2007 – Japan launches its fourth spy satellite, stepping up its ability to monitor potential threats such as North Korea. |
| 20964 | February 24 | Event | 2008 – Fidel Castro retires as the President of Cuba after nearly fifty years. |
| 20965 | February 24 | Event | 2011 – Final Launch of Space Shuttle Discovery (OV-103). |
| 20966 | February 24 | Event | 2015 – A Metrolink train derails in Oxnard, California, following a collision with a truck, leaves more than 30 injured. |
| 20967 | February 24 | Birth | 1103 – Emperor Toba of Japan (d. 1156) |
| 20968 | February 24 | Birth | 1500 – Charles V, Holy Roman Emperor (d. 1558) |
| 20969 | February 24 | Birth | 1545 – John of Austria (d. 1578) |
| 20970 | February 24 | Birth | 1557 – Matthias, Holy Roman Emperor (d. 1619) |