Template:Selected anniversaries/February 25: Difference between revisions
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||1901 – J. P. Morgan incorporates the United States Steel Corporation. | ||1901 – J. P. Morgan incorporates the United States Steel Corporation. | ||
||Geoffrey William Arnold Dummer, MBE (1945), C.Eng., IEE Premium Award, FIEEE, MIEE, USA Medal of Freedom with Bronze Palm (25 February 1909 – 9 September 2002) was an English electronics engineer and consultant who is credited as being the first person to conceptualise and build a prototype of the integrated circuit, commonly called the microchip, in the late-1940s and early 1950s. | |||
||1919 – Oregon places a one cent per U.S. gallon tax on gasoline, becoming the first U.S. state to levy a gasoline tax. | ||1919 – Oregon places a one cent per U.S. gallon tax on gasoline, becoming the first U.S. state to levy a gasoline tax. | ||
Revision as of 12:05, 29 October 2017
1572: Astronomer Tycho Brahe uses scrying engine make improved astronomical observations.
1836: Samuel Colt is granted a United States patent for the Colt revolver.
1861: USS Cairo retrofitted with military Gnomon algorithm functions.
1864: Wallace War-Heels rescues lost band of travellers, gets them safely to Kansas City, then robs them of one-third of their money and possessions.
- 1941 – February strike: In occupied Amsterdam, a general strike is declared in response to increasing anti-Jewish measures instituted by the Nazis.
1999: Chemist Glenn T. Seaborg dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.