Template:Selected anniversaries/July 30: Difference between revisions
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||1948: John Briscoe, South African-American epidemiologist, engineer, and academic ... Stockholm Water Prize. Pic not Wiki but: https://johnbriscoe.seas.harvard.edu/ | ||1948: John Briscoe, South African-American epidemiologist, engineer, and academic ... Stockholm Water Prize. Pic not Wiki but: https://johnbriscoe.seas.harvard.edu/ | ||
||1971: Aral smallpox incident: outbreak of the viral disease which occurred as a result of a field test at a Soviet biological weapons (BW) facility on an island in the Aral Sea. The incident sickened ten people, of whom 3 died, and came to widespread public notice only in 2002. https://en.wikipedia.org/wiki/Aral_smallpox_incident No pics online. | |||
||1971: Apollo program: Apollo 15 Mission: David Scott and James Irwin on the Apollo Lunar Module Falcon land on the Moon with the first Lunar Rover. | ||1971: Apollo program: Apollo 15 Mission: David Scott and James Irwin on the Apollo Lunar Module Falcon land on the Moon with the first Lunar Rover. | ||
File:Hello, world in C.svg|link="Hello World!" program (nonfiction)|1971: [["Hello World!" program (nonfiction)|"Hello World" computer program]] from 1974 proud to represent [["Hello World!" program (nonfiction)|"Hello World" computer programs]] everywhere. | |File:Hello, world in C.svg|link="Hello World!" program (nonfiction)|1971: [["Hello World!" program (nonfiction)|"Hello World" computer program]] from 1974 proud to represent [["Hello World!" program (nonfiction)|"Hello World" computer programs]] everywhere. | ||
||1972: Engineer Maximilian Joseph Johannes Eduard Schuler dies ... best known for discovering the principle known as Schuler tuning which is fundamental to the operation of a gyrocompass or inertial guidance system that will be operated near the surface of the earth. No pic (use gyrocompass). | ||1972: Engineer Maximilian Joseph Johannes Eduard Schuler dies ... best known for discovering the principle known as Schuler tuning which is fundamental to the operation of a gyrocompass or inertial guidance system that will be operated near the surface of the earth. No pic (use gyrocompass). |
Revision as of 05:53, 26 February 2019
1832: Chemist, physician, agronomist, industrialist, statesman, educator, and philanthropist Jean-Antoine-Claude Chaptal dies.
1841: Mathematician and astronomer George Biddell Airy measures mean density of the Earth using Gnomon algorithm technique. This data will later be adapted for use in detecting and preventing crimes against mathematical constants.
1864: American Civil War: Battle of the Crater: Union forces attempt to break Confederate lines at Petersburg, Virginia by exploding a large bomb under their trenches.
1974: Watergate scandal: U.S. President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court of the United States.