Template:Selected anniversaries/April 25: Difference between revisions

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File:Oliver Cromwell by Samuel Cooper.jpg|link=Oliver Cromwell (nonfiction)|1599: [[Oliver Cromwell (nonfiction)|Oliver Cromwell]] born.  He will become a military and political leader and later Lord Protector of the Commonwealth of England, Scotland, and Ireland.
File:Oliver Cromwell by Samuel Cooper.jpg|link=Oliver Cromwell (nonfiction)|1599: [[Oliver Cromwell (nonfiction)|Oliver Cromwell]] born.  He will become a military and political leader and later Lord Protector of the Commonwealth of England, Scotland, and Ireland.
File:Niles Cartouchian Renaissance juggler.jpg|link=Niles Cartouchian (Renaissance)|1600: Mathematician, detective, and alleged time-traveller [[Niles Cartouchian (Renaissance)|Niles Cartouchian]] publicly accuses the [[House of Malevecchio]] of committing shape theft and other [[crimes against mathematical constants]].


File:James Ferguson.jpg|link=James Ferguson (nonfiction)|1710: Astronomer, instrument maker, and author [[James Ferguson (nonfiction)|James Ferguson]] born.  
File:James Ferguson.jpg|link=James Ferguson (nonfiction)|1710: Astronomer, instrument maker, and author [[James Ferguson (nonfiction)|James Ferguson]] born.  
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File:Simeon Poisson.jpg|link=Siméon Denis Poisson (nonfiction)|1840: Mathematician and physicist [[Siméon Denis Poisson (nonfiction)|Siméon Denis Poisson]] dies. His memoirs on the theory of electricity and magnetism constitute a new branch of mathematical physics.
File:Simeon Poisson.jpg|link=Siméon Denis Poisson (nonfiction)|1840: Mathematician and physicist [[Siméon Denis Poisson (nonfiction)|Siméon Denis Poisson]] dies. His memoirs on the theory of electricity and magnetism constitute a new branch of mathematical physics.
File:Signaling by Napoleonic semaphore line.jpg|link=Semaphore telegraph (nonfiction)|1848: [[Semaphore telegraph (nonfiction)|Semaphore telegraph]] system becomes infected with self-perpetuating error code, probably released by the [[Forbidden Ratio]].  Self-perpetuating error codes will later be recognized as an early form of computer virus.


||1849: Felix Klein born ... mathematician and academic ... work in group theory, complex analysis, non-Euclidean geometry, and on the connections between geometry and group theory. His 1872 Erlangen Program, classifying geometries by their underlying symmetry groups, was a highly influential synthesis of much of the mathematics of the day. Pic.
||1849: Felix Klein born ... mathematician and academic ... work in group theory, complex analysis, non-Euclidean geometry, and on the connections between geometry and group theory. His 1872 Erlangen Program, classifying geometries by their underlying symmetry groups, was a highly influential synthesis of much of the mathematics of the day. Pic.
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||1901: New York becomes the first U.S. state to require automobile license plates.
||1901: New York becomes the first U.S. state to require automobile license plates.
File:800px-Nebra_Schwerter.jpg|link=Weapon (nonfiction)|1902: Army research laboratories [[Weapon (nonfiction)|convert modern plowshares into ancient swords]].  Military contractors call technique "Astonishing breakthrough."


File:Andrey Kolmogorov.jpg|link=Andrey Kolmogorov (nonfiction)|1903: Mathematician and academic [[Andrey Kolmogorov (nonfiction)|Andrey Kolmogorov]] born. He will make significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.
File:Andrey Kolmogorov.jpg|link=Andrey Kolmogorov (nonfiction)|1903: Mathematician and academic [[Andrey Kolmogorov (nonfiction)|Andrey Kolmogorov]] born. He will make significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.
File:Srinivasa Ramanujan.jpg|link=Srinivasa Ramanujan (nonfiction)|1904: Mathematician, theorist, and crime-fighter [[Srinivasa Ramanujan (nonfiction)|Srinivasa Ramanujan]] uses the the Ramanujan theta function to detect and prevent [[crimes against mathematical constants]].


||1912: Donald C. Spencer born ... mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations. Pic: https://www.geni.com/people/Donald-Spencer/6000000000566571886
||1912: Donald C. Spencer born ... mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations. Pic: https://www.geni.com/people/Donald-Spencer/6000000000566571886
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||2014: Barbara Fiske Calhoun dies ... cartoonist and painter. Pic search: https://www.google.com/search?q=Barbara+Fiske+Calhoun
||2014: Barbara Fiske Calhoun dies ... cartoonist and painter. Pic search: https://www.google.com/search?q=Barbara+Fiske+Calhoun


File:Red Spiral 2.jpg|link=Red Spiral 2 (nonfiction)|2018: Signed first edition of ''[[Red Spiral 2 (nonfiction)|Red Spiral 2]]'' stolen from Hermitage in Saint Petersburg, Russia by the notorious criminal mathematical function [[Gnotilus]].


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Revision as of 21:30, 26 January 2022

  • 1599: Oliver Cromwell born. He will become a military and political leader and later Lord Protector of the Commonwealth of England, Scotland, and Ireland.

    1599: Oliver Cromwell born. He will become a military and political leader and later Lord Protector of the Commonwealth of England, Scotland, and Ireland.

  • 1710: Astronomer, instrument maker, and author James Ferguson born.

    1710: Astronomer, instrument maker, and author James Ferguson born.

  • 1744: Astronomer, physicist, and mathematician Anders Celsius dies. In 1742 he proposed the Celsius temperature scale which today bears his name.

    1744: Astronomer, physicist, and mathematician Anders Celsius dies. In 1742 he proposed the Celsius temperature scale which today bears his name.

  • 1770: Priest and physicist Jean-Antoine Nollet dies. In 1746 he gathered about two hundred monks into a circle about a mile (1.6 km) in circumference, with pieces of iron wire connecting them. He then discharged a battery of Leyden jars through the human chain and observed that each man reacted at substantially the same time to the electric shock, showing that the speed of electricity's propagation was very high.

    1770: Priest and physicist Jean-Antoine Nollet dies. In 1746 he gathered about two hundred monks into a circle about a mile (1.6 km) in circumference, with pieces of iron wire connecting them. He then discharged a battery of Leyden jars through the human chain and observed that each man reacted at substantially the same time to the electric shock, showing that the speed of electricity's propagation was very high.

  • 1817: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville born. He will invent the phonoautograph, which records an audio signal as a photographic image.

    1817: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville born. He will invent the phonoautograph, which records an audio signal as a photographic image.

  • 1840: Mathematician and physicist Siméon Denis Poisson dies. His memoirs on the theory of electricity and magnetism constitute a new branch of mathematical physics.

    1840: Mathematician and physicist Siméon Denis Poisson dies. His memoirs on the theory of electricity and magnetism constitute a new branch of mathematical physics.

  • 1874: Businessman and inventor Guglielmo Marconi born. He will share the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".

    1874: Businessman and inventor Guglielmo Marconi born. He will share the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".

  • 1903: Mathematician and academic Andrey Kolmogorov born. He will make significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

    1903: Mathematician and academic Andrey Kolmogorov born. He will make significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

  • 1960: Mathematician, art critic, and alleged time-traveller The Eel stops aquatic cryptid and alleged supervillain Neptune Slaughter from destroying the United States Navy submarine USS Triton.

    1960: Mathematician, art critic, and alleged time-traveller The Eel stops aquatic cryptid and alleged supervillain Neptune Slaughter from destroying the United States Navy submarine USS Triton.

  • 1960: The United States Navy submarine USS Triton completes Operation Sandblast, the first submerged circumnavigation of the globe.

    1960: The United States Navy submarine USS Triton completes Operation Sandblast, the first submerged circumnavigation of the globe.

  • 1983: Pioneer 10 travels beyond Pluto's orbit.

    1983: Pioneer 10 travels beyond Pluto's orbit.

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