| 37021 | March 31 | Birth | 1992 – Stijn de Looijer, Dutch footballer |
| 37022 | March 31 | Birth | 1992 – Henri Laaksonen, Swiss-Finnish tennis player |
| 37023 | March 31 | Birth | 1992 – Beatričė Rožinskaitė, Lithuanian figure skater |
| 37024 | March 31 | Birth | 1993 – Jonatan Isenia, Dutch baseball player |
| 37025 | March 31 | Birth | 1993 – Mikael Ishak, Swedish footballer |
| 37026 | March 31 | Birth | 1994 – Tyler Wright, Australian surfer |
| 37027 | March 31 | Birth | 1998 – Valeria Gorlats, Estonian tennis player |
| 37028 | March 31 | Birth | 1999 – Chae Sang-woo, South Korean actor |
| 37029 | March 31 | Death | 1340 – Ivan I of Moscow (b. 1288) |
| 37030 | March 31 | Death | 1547 – Francis I of France (b. 1494) |
| 37031 | March 31 | Death | 1567 – Philip I, Landgrave of Hesse (b. 1504) |
| 37032 | March 31 | Death | 1621 – Philip III of Spain (b. 1578) |
| 37033 | March 31 | Death | 1631 – John Donne, English lawyer and poet (b. 1572) |
| 37034 | March 31 | Death | 1671 – Anne Hyde, English wife of James II of England (b. 1637) |
| 37035 | March 31 | Death | 1703 – Johann Christoph Bach, German organist and composer (b. 1642) |
| 37036 | March 31 | Death | 1723 – Edward Hyde, 3rd Earl of Clarendon, English soldier and politician, 14th Colonial Governor of New York (b. 1661) |
| 37037 | March 31 | Death | 1741 – Pieter Burman the Elder, Dutch scholar and author (b. 1668) |
| 37038 | March 31 | Death | 1797 – Olaudah Equiano, Nigerian merchant, author, and activist (b.1745) |
| 37039 | March 31 | Death | 1837 – John Constable, English painter and educator (b. 1776) |
| 37040 | March 31 | Death | 1850 – John C. Calhoun, American lawyer and politician, 7th Vice President of the United States (b. 1782) |
| 37041 | March 31 | Death | 1855 – Charlotte Brontë, English author and poet (b. 1816) |
| 37042 | March 31 | Death | 1877 – Antoine Augustin Cournot, French mathematician and philosopher (b. 1801) |
| 37043 | March 31 | Death | 1880 – Henryk Wieniawski, Polish violinist and composer (b. 1835) |
| 37044 | March 31 | Death | 1885 – Franz Abt, German composer and conductor (b. 1819) |
| 37045 | March 31 | Death | 1913 – J. P. Morgan, American banker and financier, founded J.P. Morgan & Co. (b. 1837) |
| 37046 | March 31 | Death | 1915 – Wyndham Halswelle, English-Scottish runner and captain (b. 1882) |
| 37047 | March 31 | Death | 1917 – Emil von Behring, German physiologist and immunologist, Nobel Prize laureate (b. 1854) |
| 37048 | March 31 | Death | 1924 – George Charles Haité, English painter and illustrator (b. 1855) |
| 37049 | March 31 | Death | 1929 – Pablo de Escandón, Mexican polo player (b. 1856) |
| 37050 | March 31 | Death | 1930 – Ludwig Schüler, German politician, Mayor of Marburg (b. 1836) |