| 29101 | March 15 | Death | 1311 – Walter V, Count of Brienne (b. 1275) |
| 29102 | March 15 | Death | 1327 – Albert of Schwarzburg |
| 29103 | March 15 | Death | 1536 – Pargalı Ibrahim Pasha, Ottoman sultan (b. 1493) |
| 29104 | March 15 | Death | 1575 – Annibale Padovano, Italian organist and composer (b. 1527) |
| 29105 | March 15 | Death | 1644 – Countess Louise Juliana of Nassau (b. 1576) |
| 29106 | March 15 | Death | 1657 – David Pardo, Dutch rabbi and scholar (b. 1591) |
| 29107 | March 15 | Death | 1673 – Salvator Rosa, Italian painter and poet (b. 1615) |
| 29108 | March 15 | Death | 1711 – Eusebio Kino, Italian priest and missionary (b. 1645) |
| 29109 | March 15 | Death | 1820 – Clemens Maria Hofbauer, Austrian priest and saint (b. 1751) |
| 29110 | March 15 | Death | 1832 – Otto Wilhelm Masing, Estonian linguist and clergyman (b. 1763) |
| 29111 | March 15 | Death | 1842 – Luigi Cherubini, Italian composer and theorist (b. 1760) |
| 29112 | March 15 | Death | 1849 – Giuseppe Caspar Mezzofanti, Italian cardinal and linguist (b. 1774) |
| 29113 | March 15 | Death | 1891 – Joseph Bazalgette, English engineer and academic (b. 1819) |
| 29114 | March 15 | Death | 1891 – Théodore de Banville, French poet and author (b. 1823) |
| 29115 | March 15 | Death | 1897 – James Joseph Sylvester, English mathematician and academic (b. 1814) |
| 29116 | March 15 | Death | 1898 – Henry Bessemer, English engineer and businessman (b. 1813) |
| 29117 | March 15 | Death | 1921 – Talaat Pasha, Ottoman politician, 281st Grand Vizier of the Ottoman Empire (b. 1874) |
| 29118 | March 15 | Death | 1937 – H. P. Lovecraft, American author (b. 1890) |
| 29119 | March 15 | Death | 1938 – Nikolai Bukharin, Russian journalist and politician (b. 1888) |
| 29120 | March 15 | Death | 1939 – Luis Barceló, Spanish colonel (b. 1896) |
| 29121 | March 15 | Death | 1941 – Alexej von Jawlensky, Russian-German painter (b. 1864) |
| 29122 | March 15 | Death | 1951 – John S. Paraskevopoulos, Greek-South African astronomer and academic (b. 1889) |
| 29123 | March 15 | Death | 1957 – Ernst Nobs, Swiss politician (b. 1886) |
| 29124 | March 15 | Death | 1959 – Lester Young, American saxophonist and clarinet player (b. 1909) |
| 29125 | March 15 | Death | 1962 – Charles Bartliff, American soccer player (b. 1886) |
| 29126 | March 15 | Death | 1962 – Arthur Compton, American physicist and academic, Nobel Prize laureate (b. 1892) |
| 29127 | March 15 | Death | 1966 – Abe Saperstein, American basketball player and coach (b. 1902) |
| 29128 | March 15 | Death | 1969 – Miles Malleson, English actor and screenwriter (b. 1888) |
| 29129 | March 15 | Death | 1969 – Musashiyama Takeshi, Japanese sumo wrestler, the 33rd Yokozuna (b. 1909) |
| 29130 | March 15 | Death | 1970 – Tarjei Vesaas, Norwegian author and poet (b. 1897) |