| 28842 | March 15 | Birth | 1867 – Lionel Johnson, English poet and critic (d. 1902) |
| 28843 | March 15 | Birth | 1869 – Stanisław Wojciechowski, Polish scholar and politician, 2nd President of the Republic of Poland (d. 1953) |
| 28844 | March 15 | Birth | 1874 – Eugène Fiset, Canadian physician, general, and politician, 18th Lieutenant Governor of Quebec (d. 1951) |
| 28845 | March 15 | Birth | 1874 – Harold L. Ickes, American journalist and politician, 32nd United States Secretary of the Interior (d. 1952) |
| 28846 | March 15 | Birth | 1878 – Rezā Shāh, Iranian king (d. 1944) |
| 28847 | March 15 | Birth | 1886 – John Olin, American wrestler (d. 1920) |
| 28848 | March 15 | Birth | 1887 – Marjorie Merriweather Post, American businesswoman, founded General Foods (d. 1973) |
| 28849 | March 15 | Birth | 1890 – Boris Delaunay, Russian mathematician and mountaineer (d. 1980) |
| 28850 | March 15 | Birth | 1892 – James Basevi Ord, American colonel (d. 1938) |
| 28851 | March 15 | Birth | 1897 – Jackson Scholz, American runner (d. 1986) |
| 28852 | March 15 | Birth | 1899 – George Brent, Irish-American actor (d. 1979) |
| 28853 | March 15 | Birth | 1901 – R. A. Bevan, English advertiser (d. 1974) |
| 28854 | March 15 | Birth | 1902 – Henri Saint Cyr, Swedish horse rider (d. 1979) |
| 28855 | March 15 | Birth | 1904 – J. Pat O'Malley, English singer-songwriter and actor (d. 1985) |
| 28856 | March 15 | Birth | 1905 – Berthold Schenk Graf von Stauffenberg, German lawyer and judge (d. 1944) |
| 28857 | March 15 | Birth | 1907 – Zarah Leander, Swedish actress and singer (d. 1981) |
| 28858 | March 15 | Birth | 1910 – Tom Richards, Welsh runner (d. 1985) |
| 28859 | March 15 | Birth | 1910 – Nick Stewart, American actor and singer (d. 2000) |
| 28860 | March 15 | Birth | 1912 – Louis Paul Boon, Flemish journalist and author (d. 1979) |
| 28831 | March 15 | Birth | 1851 – William Mitchell Ramsay, Scottish archaeologist and scholar (d. 1939) |
| 28832 | March 15 | Birth | 1852 – Augusta, Lady Gregory, Irish playwright and translator (d. 1932) |
| 28833 | March 15 | Birth | 1854 – Emil von Behring, German physiologist and physician, Nobel Prize laureate (d. 1917) |
| 28834 | March 15 | Birth | 1857 – Christian Michelsen, Norwegian businessman and politician, 1st Prime Minister of Norway (d. 1925) |
| 28835 | March 15 | Birth | 1858 – Liberty Hyde Bailey, American botanist and academic, co-founded the American Society for Horticultural Science (d. 1954) |
| 28836 | March 15 | Birth | 1858 – Franz Böckli, Swiss target shooter (d. 1937) |
| 28837 | March 15 | Birth | 1860 – Waldemar Haffkine, Russian-Swiss bacteriologist and microbiologist (d. 1930) |
| 28838 | March 15 | Birth | 1864 – Johan Halvorsen, Norwegian violinist, composer, and conductor (Oslo Philharmonic) (d. 1935) |
| 28839 | March 15 | Birth | 1865 – Manuk Abeghian, Armenian author and scholar (d. 1944) |
| 28840 | March 15 | Birth | 1866 – Matthew Charlton, Australian miner and politician (d. 1948) |
| 28841 | March 15 | Birth | 1866 – Johan Vaaler, Norwegian inventor, invented the Paper clip (d. 1910) |