| 31381 | March 20 | Death | 2013 – James Herbert, English author (b. 1943) |
| 31382 | March 20 | Death | 2013 – George Lowe, New Zealand-English mountaineer and explorer (b. 1924) |
| 31383 | March 20 | Death | 2013 – Nicholas C. Petris, American lawyer and politician (b. 1923) |
| 31384 | March 20 | Death | 2013 – Zillur Rahman, Bangladeshi lawyer and politician, 15th President of Bangladesh (b. 1929) |
| 31385 | March 20 | Death | 2013 – Emílio Santiago, Brazilian singer (b. 1946) |
| 31386 | March 20 | Death | 2013 – Risë Stevens, American soprano and actress (b. 1913) |
| 31387 | March 20 | Death | 2013 – Jack Stokes, English animator and director (b. 1920) |
| 31388 | March 20 | Death | 2014 – Ragesh Asthana, Ugandan-Indian actor (b. 1962) |
| 31389 | March 20 | Death | 2014 – Hennie Aucamp, South African poet, author, and academic (b. 1934) |
| 31390 | March 20 | Death | 2014 – Iñaki Azkuna, Spanish academic and politician (b. 1943) |
| 31391 | March 20 | Death | 2014 – Hilderaldo Bellini, Brazilian footballer (b. 1930) |
| 31392 | March 20 | Death | 2014 – Thomas Jolley, American-Canadian activist (b. 1944) |
| 31393 | March 20 | Death | 2014 – Tonie Nathan, American politician (b. 1923) |
| 31394 | March 20 | Death | 2014 – Khushwant Singh, Indian journalist and author (b. 1915) |
| 31395 | March 20 | Death | 2014 – William Toomath, New Zealand architect and educator (b. 1925) |
| 31396 | March 20 | Death | 2015 – Perro Aguayo Jr., Mexican wrestler and promoter (b. 1979) |
| 31397 | March 20 | Death | 2015 – Eva Burrows, Australian 13th General of The Salvation Army (b. 1929) |
| 31398 | March 20 | Death | 2015 – Lisa Colagrossi, American journalist (b. 1965) |
| 31399 | March 20 | Death | 2015 – Malcolm Fraser, Australian politician, 22nd Prime Minister of Australia (b. 1930) |
| 31400 | March 20 | Death | 2015 – Robert Kastenmeier, American lieutenant, lawyer, and politician (b. 1924) |
| 31401 | March 20 | Death | 2015 – A. J. Pero, American drummer (Twisted Sister and Adrenaline Mob) (b. 1959) |
| 31402 | March 20 | Death | 2015 – Cincinnati Red, American wrestler (b. 1974) |
| 31403 | March 20 | Death | 2015 – Gregory Walcott, American actor (b. 1928) |
| 31404 | March 20 | Holiday and observance | Christian feast day:AlexandraBlessed John of ParmaCuthbert of Lindisfarne (Anglicanism)John of NepomukJózef BilczewskiWulframMarch 20 (Eastern Orthodox liturgics) |
| 31405 | March 20 | Holiday and observance | Earliest date for the vernal equinox in the Northern hemisphere:Bahá'í Naw-Rúz, started at sunset on March 20. The end of the 19-day sunrise-to-sunset fast. (Bahá'í Faith)Chunfen (China)Equinox Earth Day (international)New Year (Thelema)Nowruz (Persian, G |
| 31406 | March 20 | Holiday and observance | Earliest day on which Good Friday can fall, while April 23 is the latest celebrated on Friday before Easter. (Christianity) |
| 31407 | March 20 | Holiday and observance | Independence Day (Tunisia) celebrates independence from France in 1956. |
| 31408 | March 20 | Holiday and observance | International Day of Happiness (United Nations) |
| 31409 | March 20 | Holiday and observance | International Francophonie Day (Organisation internationale de la Francophonie), and its related observances:UN French Language Day (United Nations) |
| 31410 | March 20 | Holiday and observance | Liberation of Kirkuk City (Iraqi Kurdistan) |