Template:Selected anniversaries/April 5: Difference between revisions

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File:Blaise_de_Vigenère.png|link=Blaise de Vigenère (nonfiction)|1523: Cryptographer and diplomat [[Blaise de Vigenère (nonfiction)]] born. The Vigenère cipher will be misattributed to him;  Vigenère himself will devise a different, stronger cipher.  
File:Blaise_de_Vigenère.png|link=Blaise de Vigenère (nonfiction)|1523: Cryptographer and diplomat '''[[Blaise de Vigenère (nonfiction)|Blaise de Vigenère]]''' born. The Vigenère cipher will be misattributed to him;  Vigenère himself will devise a different, stronger cipher.  


||1622 – Vincenzo Viviani, Italian mathematician, astronomer, and physicist (d. 1703).
File:Vincenzo Viviani.jpg|link=Vincenzo Viviani (nonfiction)|1622: Mathematician and scientist [[Vincenzo Viviani (nonfiction)|Vincenzo Viviani]] born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.


||William Brouncker, 2nd Viscount Brouncker (d. 5 April 1684) was an English mathematician who introduced Brouncker's formula, and was the first President of the Royal Society. Pic.
File:Joseph Lister 1902.jpg|link=Joseph Lister (nonfiction)|1827: Surgeon and scientist [[Joseph Lister (nonfiction)|Joseph Lister]] born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.
 
||1722 – The Dutch explorer Jacob Roggeveen discovers Easter Island.


File:Sergey Chaplygin.jpg|link=Sergey Chaplygin (nonfiction)|1869: Physicist, mathematician, and engineer [[Sergey Chaplygin (nonfiction)|Sergey Chaplygin]] born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.
File:Sergey Chaplygin.jpg|link=Sergey Chaplygin (nonfiction)|1869: Physicist, mathematician, and engineer [[Sergey Chaplygin (nonfiction)|Sergey Chaplygin]] born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.
File:Wallace War-Heels.jpg|link=Wallace War-Heels|1870: Adventurer [[Wallace War-Heels]] publishes autobiography.


File:Joseph Bertrand.jpg|link=Joseph Bertrand (nonfiction)|1900: Mathematician, economist, and academic [[Joseph Bertrand (nonfiction)|Joseph Louis François Bertrand]] dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.
File:Joseph Bertrand.jpg|link=Joseph Bertrand (nonfiction)|1900: Mathematician, economist, and academic [[Joseph Bertrand (nonfiction)|Joseph Louis François Bertrand]] dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.


||1900 – Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
File:Town Without Jetty.jpg|link=Town Without Jetty|'''''[[Town Without Jetty]]''''' wins the Outstanding Civil Engineering Achievement (OCEA) Award for Best Marine Civil Engineering Film of the Year.
 
File:Havelock_and_Tesla_telecommunications_research.jpg|link=Havelock and Tesla Research Telecommunication|1910: Havelock and [[Nikola Tesla (nonfiction)|Nikola Tesla]] share Nobel Prize in Physics for [[Havelock and Tesla Research Telecommunication|research into electrical field modulation and data transmission]].
 
||1933 – Hjalmar Mellin, Finnish mathematician and theorist dies. He is known for the Mellin transform. Pic.
 
||Donald Lynden-Bell (b. 5 April 1935) was a British theoretical astrophysicist. He was the first to determine that galaxies contain supermassive black holes at their centres, and that such black holes power quasars. Pic.
 
||Klaus Weber (b. 5 April 1936) was a German scientist who made many fundamentally important contributions to biochemistry, cell biology, and molecular biology. Pic.
 
||1951 – Cold War: Ethel and Julius Rosenberg are sentenced to death for spying for the Soviet Union.
 
||1958 – Ripple Rock, an underwater threat to navigation in the Seymour Narrows in Canada is destroyed in one of the largest non-nuclear controlled explosions of the time.
 
||1967 – Hermann Joseph Muller, American geneticist and academic, Nobel Prize laureate (b. 1890). Pic.
 
||1969 – Vietnam War: Massive antiwar demonstrations occur in many U.S. cities.
 
||Ralph Austin Bard (d. April 5, 1975) was a Chicago financier who served as Assistant Secretary of the Navy, 1941–1944, and as Under Secretary, 1944–1945. He is noted for a memorandum he wrote to Secretary of War Henry L. Stimson in 1945 urging that Japan be given a warning before the use of the atomic bomb on a strategic city. He was "the only person known to have formally dissented from the use of the atomic bomb without advance warning." Pic.
 
File:Howard Hughes 1940s.jpg|link=Howard Hughes (nonfiction)|1976: Businessman, investor, aviator, film director, and philanthropist [[Howard Hughes (nonfiction)|Howard Hughes]] dies. He was known during his lifetime as one of the most financially successful individuals in the world.
 
||2004 – Heiner Zieschang, German mathematician and academic (b. 1936). No pic.
 
||2009 – North Korea launches its controversial Kwangmyŏngsŏng-2 rocket. The satellite passed over mainland Japan, which prompted an immediate reaction from the United Nations Security Council, as well as participating states of Six-party talks.


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Latest revision as of 08:07, 5 April 2022

  • 1523: Cryptographer and diplomat Blaise de Vigenère born. The Vigenère cipher will be misattributed to him; Vigenère himself will devise a different, stronger cipher.

    1523: Cryptographer and diplomat Blaise de Vigenère born. The Vigenère cipher will be misattributed to him; Vigenère himself will devise a different, stronger cipher.

  • 1622: Mathematician and scientist Vincenzo Viviani born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.

    1622: Mathematician and scientist Vincenzo Viviani born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.

  • 1827: Surgeon and scientist Joseph Lister born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.

    1827: Surgeon and scientist Joseph Lister born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.

  • 1869: Physicist, mathematician, and engineer Sergey Chaplygin born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.

    1869: Physicist, mathematician, and engineer Sergey Chaplygin born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.

  • 1900: Mathematician, economist, and academic Joseph Louis François Bertrand dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.

    1900: Mathematician, economist, and academic Joseph Louis François Bertrand dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.

  • Town Without Jetty wins the Outstanding Civil Engineering Achievement (OCEA) Award for Best Marine Civil Engineering Film of the Year.

    Town Without Jetty wins the Outstanding Civil Engineering Achievement (OCEA) Award for Best Marine Civil Engineering Film of the Year.

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