March 11
1437: Korean astronomers record the appearance of a new star, which shines for fourteen days before dimming. This astronomical event will later be known as Nova Scorpii AD 1437.
1811: Mathematician and astronomer Urbain Le Verrier born. Le Verrier will predict the existence and position of Neptune using only mathematics, an event which will be widely regarded as one of the most remarkable moments of 19th century science.
1822: Mathematician, economist, and academic Joseph Louis François Bertrand born. Bertrand will contribute to number theory, differential geometry, probability theory, economics and thermodynamics.
1823: Publication of Niles Cartouchian and Anton Rhodomunde Confront Gnotilus causes widespread debate about the role of private citizens in fighting crimes against mathematical constants.
1890: Engineer and academic Vannevar Bush born. Bush develop the Differential Analyzer, initiate the Manhattan Project and oversee government mobilization of scientific research during World War II, and make pioneering contributions to computer science.
1955: Biologist, pharmacologist, and botanist Alexander Fleming dies. Fleming discovered the enzyme lysozyme in 1923, and the world's first broadly effective antibiotic substance benzylpenicillin (Penicillin G) in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.