| 22501 | February 27 | Holiday and observance | International Polar Bear Day (international) |
| 22502 | February 27 | Holiday and observance | National Day, celebrates the first independence of Dominican Republic from Haiti in 1844. |
| 22503 | February 27 | Holiday and observance | Special Task Force Day or "Polite People Day" (Russia) |
| 22504 | February 27 | Holiday and observance | The second day of Ayyám-i-Há (Bahá'í Faith) |
| 22505 | February 28 | Event | 202 BC – coronation ceremony of Liu Bang as Emperor Gaozu of Han takes place, initiating four centuries of the Han dynasty's rule over China. |
| 22506 | February 28 | Event | 628 – Khosrau II is executed by Mihr Hormozd under the orders of Kavadh II. |
| 22507 | February 28 | Event | 870 – The Fourth Council of Constantinople closes. |
| 22508 | February 28 | Event | 1246 – The Siege of Jaén ends in the context of the Spanish Reconquista resulting in the Castilian takeover of the city from the Taifa of Jaen. |
| 22509 | February 28 | Event | 1525 – The Aztec king Cuauhtémoc is executed by Hernán Cortés's forces. |
| 22510 | February 28 | Event | 1638 – The Scottish National Covenant is signed in Edinburgh. |
| 22511 | February 28 | Event | 1700 – Today is followed by March 1 in Sweden, thus creating the Swedish calendar. |
| 22512 | February 28 | Event | 1710 – In the Battle of Helsingborg, 14,000 Danish invaders under Jørgen Rantzau are decisively defeated by an equally sized Swedish force under Magnus Stenbock. This is the last time Swedish and Danish troops meet on Swedish soil. |
| 22513 | February 28 | Event | 1784 – John Wesley charters the Methodist Church. |
| 22514 | February 28 | Event | 1811 – Cry of Asencio, beginning of the Uruguayan War of Independence |
| 22515 | February 28 | Event | 1827 – The Baltimore and Ohio Railroad is incorporated, becoming the first railroad in America offering commercial transportation of both people and freight. |
| 22516 | February 28 | Event | 1838 – Robert Nelson, leader of the Patriotes, proclaims the independence of Lower Canada (today Quebec) |
| 22517 | February 28 | Event | 1844 – A gun on USS Princeton explodes while the boat is on a Potomac River cruise, killing eight people, including two United States Cabinet members. |
| 22518 | February 28 | Event | 1847 – The Battle of the Sacramento River during the Mexican–American War is a decisive victory for the United States leading to the capture of Chihuahua. |
| 22519 | February 28 | Event | 1849 – Regular steamboat service from the west to the east coast of the United States begins with the arrival of the SS California in San Francisco Bay, four months 22 days after leaving New York Harbor. |
| 22520 | February 28 | Event | 1867 – Seventy years of Holy See–United States relations are ended by a Congressional ban on federal funding of diplomatic envoys to the Vatican and are not restored until January 10, 1984. |
| 22521 | February 28 | Event | 1870 – The Bulgarian Exarchate is established by decree of Sultan Abd-ul-Aziz of the Ottoman Empire. |
| 22522 | February 28 | Event | 1874 – One of the longest cases ever heard in an English court ends when the defendant is convicted of perjury for attempting to assume the identity of the heir to the Tichborne baronetcy. |
| 22523 | February 28 | Event | 1883 – The first vaudeville theater opens in Boston |
| 22524 | February 28 | Event | 1885 – The American Telephone and Telegraph Company is incorporated in New York as the subsidiary of American Bell Telephone. (American Bell would later merge with its subsidiary.) |
| 22525 | February 28 | Event | 1893 – The USS Indiana, the lead ship of her class and the first battleship in the United States Navy comparable to foreign battleships of the time, is launched. |
| 22526 | February 28 | Event | 1897 – Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force. |
| 22527 | February 28 | Event | 1900 – The Second Boer War: The 118-day "Siege of Ladysmith" is lifted. |
| 22528 | February 28 | Event | 1914 – The Autonomous Republic of Northern Epirus is proclaimed in Gjirokastër, by the Greeks living in southern Albania. |
| 22529 | February 28 | Event | 1922 – The United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence. |
| 22530 | February 28 | Event | 1925 – The Charlevoix-Kamouraska earthquake strikes northeastern North America. |