| 28801 | March 15 | Birth | 1275 – Margaret of England, Duchess of Brabant (d. 1333) |
| 28802 | March 15 | Birth | 1455 – Pietro Accolti, Italian cardinal (d. 1532) |
| 28803 | March 15 | Birth | 1493 – Anne de Montmorency, French captain and diplomat (d. 1567) |
| 28804 | March 15 | Birth | 1584 – Philip, Duke of Schleswig-Holstein-Sonderburg-Glücksburg (d. 1663) |
| 28805 | March 15 | Birth | 1591 – Alexandre de Rhodes, French missionary and lexicographer (d. 1660) |
| 28806 | March 15 | Birth | 1638 – Shunzhi Emperor of China (d. 1661) |
| 28807 | March 15 | Birth | 1666 – George Bähr, German architect, designed the Dresden Frauenkirche (d. 1738) |
| 28808 | March 15 | Birth | 1684 – Francesco Durante, Italian composer and educator (d. 1755) |
| 28809 | March 15 | Birth | 1737 – Amarindra, Thai wife of Buddha Yodfa Chulaloke (d. 1826) |
| 28810 | March 15 | Birth | 1754 – Archibald Menzies, Scottish surgeon and botanist (d. 1842) |
| 28811 | March 15 | Birth | 1767 – Andrew Jackson, American general, judge, and politician, 7th President of the United States (d. 1845) |
| 28812 | March 15 | Birth | 1771 – Robert Hett Chapman, American minister and academic (d. 1833) |
| 28813 | March 15 | Birth | 1772 – József Ficzkó, Slovene-Croatian priest and author (d. 1843) |
| 28814 | March 15 | Birth | 1779 – William Lamb, 2nd Viscount Melbourne, English politician, Prime Minister of the United Kingdom (d. 1848) |
| 28815 | March 15 | Birth | 1790 – Ludwig Immanuel Magnus, German mathematician and academic (d. 1861) |
| 28816 | March 15 | Birth | 1791 – Charles Knight, English author and publisher (d. 1873) |
| 28817 | March 15 | Birth | 1809 – Joseph Jenkins Roberts, American-Liberian politician, 1st President of Liberia (d. 1876) |
| 28818 | March 15 | Birth | 1809 – Karl Josef von Hefele, German bishop and theologian (d. 1893) |
| 28819 | March 15 | Birth | 1813 – John Snow, English physician and epidemiologist (d. 1858) |
| 28820 | March 15 | Birth | 1818 – Mariano Álvarez, Filipino general and politician (d. 1924) |
| 28821 | March 15 | Birth | 1821 – Johann Josef Loschmidt, Austrian physicist and chemist (d. 1895) |
| 28822 | March 15 | Birth | 1821 – William Milligan, Scottish theologian, author, and educator (d. 1892) |
| 28823 | March 15 | Birth | 1824 – Jules Chevalier, French priest, founded the Missionaries of the Sacred Heart (d. 1907) |
| 28824 | March 15 | Birth | 1830 – Paul Heyse, German author, poet, and playwright, Nobel Prize laureate (d. 1914) |
| 28825 | March 15 | Birth | 1830 – Élisée Reclus, French geographer and academic (d. 1905) |
| 28826 | March 15 | Birth | 1831 – Daniel Comboni, Italian missionary and saint (d. 1881) |
| 28827 | March 15 | Birth | 1835 – John Henry Kagi, American lawyer and activist (d. 1859) |
| 28828 | March 15 | Birth | 1835 – Eduard Strauss, Austrian composer and conductor (d. 1916) |
| 28829 | March 15 | Birth | 1838 – Karl Davydov, Russian cellist, composer, and conductor (d. 1889) |
| 28830 | March 15 | Birth | 1851 – John Sebastian Little, American lawyer and politician, 21st Governor of Arkansas (d. 1916) |