Template:Selected anniversaries/February 25: Difference between revisions

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||1336 – Four thousand defenders of Pilėnai commit mass suicide rather than be taken captive by the Teutonic Knights.
File:John Dee.jpg|link=John Dee (nonfiction)|1598: [[John Dee (nonfiction)|John Dee]] demonstrates the solar eclipse by viewing an image through a pinhole. Two versions from Ashmole and Aubrey give different details of who was present. Dee's Diary only contains the notation, "the eclips. A clowdy day, but great darkness about 9 1/2 maine".  


||Maria Margaretha Kirch (b. 25 February 1670) was a German astronomer, and one of the first famous astronomers of her period due to her writings on the conjunction of the sun with Saturn, Venus, and Jupiter in 1709 and 1712 respectively. Calendar pic.
File:Friedrich Reinitzer.jpg|link=Friedrich Reinitzer (nonfiction)|1857: Botanist and chemist [[Friedrich Reinitzer (nonfiction)|Friedrich Reinitzer]] born. In late 1880s, experimenting with cholesteryl benzoate, Reinitzer discovered the properties of what would later be called liquid crystals; although the discovery attracted attention, interest soon faded as no practical uses were found at the time.
 
||1682 – Giovanni Battista Morgagni, Italian anatomist and pathologist (d. 1771)
 
File:Samuel Colt.jpg|link=Samuel Colt (nonfiction)|1836: [[Samuel Colt (nonfiction)|Samuel Colt]] is granted a United States patent for the Colt revolver.
 
||Friedrich Richard Reinitzer (b. 25 February 1857) was an Austrian botanist and chemist. In late 1880s, experimenting with cholesteryl benzoate, he discovered properties of liquid crystals (named later by Otto Lehmann). Pic.
 
File:USS Cairo.jpg|link=USS Cairo (nonfiction)|1861: [[USS Cairo (nonfiction)|USS Cairo]] retrofitted with military [[Gnomon algorithm functions]].
 
|File:Wallace War-Heels.jpg|link=Wallace War-Heels|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.
 
||1866 – Miners in Calaveras County, California, discover what is now called the Calaveras Skull – human remains that supposedly indicated that man, mastodons, and elephants had co-existed.
 
||William Thomas Astbury (b. 25 February 1898) was an English physicist and molecular biologist who made pioneering X-ray diffraction studies of biological molecules. His work on keratin provided the foundation for Linus Pauling's discovery of the alpha helix. He also studied the structure for DNA in 1937 and made the first step in the elucidation of its structure. No pic.
 
||1901 – J. P. Morgan incorporates the United States Steel Corporation.
 
||Geoffrey William Arnold Dummer (b. 25 February 1909) 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.
 
||Karl H. Pribram (b. February 25, 1919) was a professor at Georgetown University, in the United States, an emeritus professor of psychology and psychiatry at Stanford University and distinguished professor at Radford University. Board-certified as a neurosurgeon, Pribram did pioneering work on the definition of the limbic system, the relationship of the frontal cortex to the limbic system, the sensory-specific "association" cortex of the parietal and temporal lobes, and the classical motor cortex of the human brain. He worked with Karl Lashley at the Yerkes Primate Center of which he was to become director later. He was professor at Yale University for ten years and at Stanford University for thirty years. To the general public, Pribram is best known for his development of the holonomic brain model of cognitive function and his contribution to ongoing neurological research into memory, emotion, motivation and consciousness. Pic.
 
||1919 – Oregon places a one cent per U.S. gallon tax on gasoline, becoming the first U.S. state to levy a gasoline tax.
 
||1920 – Marcel-Auguste Dieulafoy, French archaeologist and engineer (b. 1844)
 
||1922 – Henri Désiré Landru, French serial killer (b. 1869)
 
||Masatoşi Gündüz İkeda (Japanese: 池田 正敏 ギュンドゥズ Ikeda Masatoshi Gyunduzu) (b. 25 February 1926), was a Turkish mathematician of Japanese ancestry, known for his contributions to the field of algebraic number theory.
 
||1928 – Charles Jenkins Laboratories of Washington, D.C. becomes the first holder of a broadcast license for television from the Federal Radio Commission.
 
||1933 – The USS Ranger is launched. It is the first US Navy ship to be designed from the start of construction as an aircraft carrier.
 
||1935 – Oktay Sinanoğlu, Turkish chemist and academic (d. 2015)
 
||1939 – The first of 2 1⁄2 million Anderson air raid shelters appeared in North London.
 
||1941 – February strike: In occupied Amsterdam, a general strike is declared in response to increasing anti-Jewish measures instituted by the Nazis.
 
||Louis Carl Heinrich Friedrich Paschen (d. 25 February 1947), was a German physicist, known for his work on electrical discharges. He is also known for the Paschen series, a series of hydrogen spectral lines in the infrared region that he first observed in 1908.  Pic.
 
||1950 – George Minot, American physician and academic, Nobel Prize laureate (b. 1885)
 
||1951 – The first Pan American Games were officially opened in Buenos Aires, Argentina by President Juan Perón.
 
||1953: Sergei Winogradsky (d. 25 February 1953) was a Russian microbiologist, ecologist and soil scientist who pioneered the cycle-of-life concept. Pic.
 
||File:EBR-I powers four light bulbs.jpg|link=Experimental Breeder Reactor I (nonfiction)|1954: The [[Experimental Breeder Reactor I (nonfiction)|EBR-1]] in Arco, Idaho used in [[high-energy literature]] experiment.
 
||1956 – In his speech On the Cult of Personality and Its Consequences, Nikita Khrushchev, leader of the Soviet Union denounces the cult of personality of Joseph Stalin.
 
||1957 – Bugs Moran, American mob boss (b. 1893)


File:Theodor Svedberg.jpg|link=Theodor Svedberg (nonfiction)|1971: Chemist and academic [[Theodor Svedberg (nonfiction)|Theodor Svedberg]] dies. He was awarded the 1926 Nobel Prize in Chemistry for his pioneering use of analytical ultracentrifugation to distinguish pure proteins from one another.
File:Theodor Svedberg.jpg|link=Theodor Svedberg (nonfiction)|1971: Chemist and academic [[Theodor Svedberg (nonfiction)|Theodor Svedberg]] dies. He was awarded the 1926 Nobel Prize in Chemistry for his pioneering use of analytical ultracentrifugation to distinguish pure proteins from one another.


File:Hugo Steinhaus.jpg|link=Hugo Steinhaus (nonfiction)|1972: Mathematician and academic [[Hugo Steinhaus (nonfiction)|Hugo Steinhaus]] dies. He "discovered" mathematician Stefan Banach, with whom he made notable contributions to functional analysis, including the Banach–Steinhaus theorem.
File:Hugo Steinhaus.jpg|link=Hugo Steinhaus (nonfiction)|1972: Mathematician and academic [[Hugo Steinhaus (nonfiction)|Hugo Steinhaus]] dies. He discovered mathematician Stefan Banach, with whom he made notable contributions to functional analysis, including the Banach–Steinhaus theorem.


||1988 – Bernard Ashmole, English archaeologist and historian (b. 1894)
File:Glenn Seaborg.jpg|link=Glenn T. Seaborg (nonfiction)|1999: Chemist [[Glenn T. Seaborg (nonfiction)|Glenn T. Seaborg]] dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.  


||Kurt Mahler FRS (d. 25 February 1988) was a mathematician.
File:Glenn Seaborg.jpg|link=Glenn T. Seaborg (nonfiction)|1999: Chemist [[Glenn T. Seaborg (nonfiction)|Glenn T. Seaborg]] dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.


||Donald Lewes Hings, CM MBE (d. February 25, 2004) was a Canadian inventor. In 1937 he created a portable radio signaling system for his employer CM&S, which he called a "packset", but which later became known as the "Walkie-Talkie".
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Latest revision as of 05:14, 25 February 2022

  • 1598: John Dee demonstrates the solar eclipse by viewing an image through a pinhole. Two versions from Ashmole and Aubrey give different details of who was present. Dee's Diary only contains the notation, "the eclips. A clowdy day, but great darkness about 9 1/2 maine".

    1598: John Dee demonstrates the solar eclipse by viewing an image through a pinhole. Two versions from Ashmole and Aubrey give different details of who was present. Dee's Diary only contains the notation, "the eclips. A clowdy day, but great darkness about 9 1/2 maine".

  • 1857: Botanist and chemist Friedrich Reinitzer born. In late 1880s, experimenting with cholesteryl benzoate, Reinitzer discovered the properties of what would later be called liquid crystals; although the discovery attracted attention, interest soon faded as no practical uses were found at the time.

    1857: Botanist and chemist Friedrich Reinitzer born. In late 1880s, experimenting with cholesteryl benzoate, Reinitzer discovered the properties of what would later be called liquid crystals; although the discovery attracted attention, interest soon faded as no practical uses were found at the time.

  • 1971: Chemist and academic Theodor Svedberg dies. He was awarded the 1926 Nobel Prize in Chemistry for his pioneering use of analytical ultracentrifugation to distinguish pure proteins from one another.

    1971: Chemist and academic Theodor Svedberg dies. He was awarded the 1926 Nobel Prize in Chemistry for his pioneering use of analytical ultracentrifugation to distinguish pure proteins from one another.

  • 1972: Mathematician and academic Hugo Steinhaus dies. He discovered mathematician Stefan Banach, with whom he made notable contributions to functional analysis, including the Banach–Steinhaus theorem.

    1972: Mathematician and academic Hugo Steinhaus dies. He discovered mathematician Stefan Banach, with whom he made notable contributions to functional analysis, including the Banach–Steinhaus theorem.

  • 1999: Chemist Glenn T. Seaborg dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.

    1999: Chemist Glenn T. Seaborg dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.

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