| 26011 | March 8 | Event | 2004 – A new constitution is signed by Iraq's Governing Council. |
| 26012 | March 8 | Event | 2014 – Malaysia Airlines Flight 370 disappears en route from Kuala Lumpur to Beijing. The aircraft is believed to have crashed into the Indian Ocean off the coast of Australia with the loss of all 239 people aboard. |
| 26013 | March 8 | Birth | 1286 – John III, Duke of Brittany (d. 1341) |
| 26014 | March 8 | Birth | 1293 – Beatrice of Castile (d. 1359) |
| 26015 | March 8 | Birth | 1495 – John of God, Portuguese friar and saint (d. 1550) |
| 26016 | March 8 | Birth | 1514 – Amago Haruhisa, Japanese samurai and warlord (d. 1562) |
| 26017 | March 8 | Birth | 1566 – Carlo Gesualdo, Italian lute player and composer (d. 1613) |
| 26018 | March 8 | Birth | 1659 – Isaac de Beausobre, French pastor (d. 1738) |
| 26019 | March 8 | Birth | 1617 – Tito Livio Burattini, Italian architect, historian, and engineer (d. 1681) |
| 26020 | March 8 | Birth | 1702 – Anne Bonny, Irish-American pirate (d. 1782) |
| 26021 | March 8 | Birth | 1712 – John Fothergill, English physician and botanist (d. 1780) |
| 26022 | March 8 | Birth | 1714 – Carl Philipp Emanuel Bach, German pianist and composer (d. 1788) |
| 26023 | March 8 | Birth | 1726 – Richard Howe, 1st Earl Howe, English admiral and politician, Treasurer of the Navy (d. 1799) |
| 26024 | March 8 | Birth | 1746 – André Michaux, French botanist and explorer (d. 1802) |
| 26025 | March 8 | Birth | 1748 – William V, Prince of Orange (d. 1806) |
| 26026 | March 8 | Birth | 1761 – Jan Potocki Polish ethnologist, historian, and linguist (d. 1815) |
| 26027 | March 8 | Birth | 1783 – Hannah Van Buren, American wife of Martin Van Buren (d. 1819) |
| 26028 | March 8 | Birth | 1799 – Simon Cameron, American journalist and politician, 26th United States Secretary of War (d. 1889) |
| 26029 | March 8 | Birth | 1804 – Alvan Clark, American astronomer and optician (d. 1887) |
| 26030 | March 8 | Birth | 1814 – Ede Szigligeti, Romanian-Hungarian playwright and author (d. 1878) |
| 26031 | March 8 | Birth | 1822 – Ignacy Łukasiewicz, Polish inventor and businessman, invented the Kerosene lamp (d. 1882) |
| 26032 | March 8 | Birth | 1825 – Jules Barbier, French poet and playwright (d. 1901) |
| 26033 | March 8 | Birth | 1826 – Johann Köler, Estonian painter and academic (d. 1899) |
| 26034 | March 8 | Birth | 1827 – Wilhelm Bleek, German linguist and anthropologist (d. 1875) |
| 26035 | March 8 | Birth | 1830 – João de Deus, Portuguese poet and educator (d. 1896) |
| 26036 | March 8 | Birth | 1841 – Oliver Wendell Holmes, Jr., American colonel, lawyer, and jurist (d. 1935) |
| 26037 | March 8 | Birth | 1848 – LaMarcus Adna Thompson, American engineer and businessman, developed the roller coaster (d. 1917) |
| 26038 | March 8 | Birth | 1856 – Bramwell Booth, English 2nd General of The Salvation Army (d. 1929) |
| 26039 | March 8 | Birth | 1856 – Colin Campbell Cooper, American painter and academic (d. 1937) |
| 26040 | March 8 | Birth | 1859 – Kenneth Grahame, Scottish-English banker and author (d. 1932) |