Template:Selected anniversaries/April 16

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  • April 16, 1178 BC: A solar eclipse occurs. Homer's Odyssey contains a passage which may reference the eclipse: "The Sun has been obliterated from the sky, and an unlucky darkness invades the world."

    April 16, 1178 BC: A solar eclipse occurs. Homer's Odyssey contains a passage which may reference the eclipse: "The Sun has been obliterated from the sky, and an unlucky darkness invades the world."

  • 1491: Polymath Leonardo da Vinci designs a mechanical soldier. The first working prototype will take over a decade to complete, after which da Vinci will lose all funding for the project.

    1491: Polymath Leonardo da Vinci designs a mechanical soldier. The first working prototype will take over a decade to complete, after which da Vinci will lose all funding for the project.

  • 1495: Mathematician and astronomer Petrus Apianus born. His works on cosmography, Astronomicum Caesareum (1540) and Cosmographicus liber (1524), will be extremely influential in his time.

    1495: Mathematician and astronomer Petrus Apianus born. His works on cosmography, Astronomicum Caesareum (1540) and Cosmographicus liber (1524), will be extremely influential in his time.

  • 1673: Leibniz wrote to Oldenburg about series: "I conjecture that Mr. Collins himself does not speak of these summations of infinite series because he brings forward the example of the series 1/2, 1/3, 1/4, 1/5, 1/6, ... which if it is continued to infinity cannot be summed because the sum is not finite, like the sum of the triangular numbers, but infinite. But now I am cramped by the space of my paper."

    1673: Leibniz wrote to Oldenburg about series: "I conjecture that Mr. Collins himself does not speak of these summations of infinite series because he brings forward the example of the series 1/2, 1/3, 1/4, 1/5, 1/6, ... which if it is continued to infinity cannot be summed because the sum is not finite, like the sum of the triangular numbers, but infinite. But now I am cramped by the space of my paper."

  • 1736: Philosopher and crime-fighter Red Eyes prevents gang of math criminals from kidnapping Leibniz and Newton.

    1736: Philosopher and crime-fighter Red Eyes prevents gang of math criminals from kidnapping Leibniz and Newton.

  • 1705: Physicist and mathematician Isaac Newton knighted by Queen Anne at Trinity College.

    1705: Physicist and mathematician Isaac Newton knighted by Queen Anne at Trinity College.

  • 1958: Chemist and X-ray crystallographer Rosalind Franklin dies. She made contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).

    1958: Chemist and X-ray crystallographer Rosalind Franklin dies. She made contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).

  • 1958: Combat physician and alleged time-traveller Asclepius Myrmidon prevents Colonel Zersetzung from detonating the Tybee Bomb.

    1958: Combat physician and alleged time-traveller Asclepius Myrmidon prevents Colonel Zersetzung from detonating the Tybee Bomb.

  • 1958: The United States military announces that the search for hydrogen bomb known as the Tybee Bomb was unsuccessful.

    1958: The United States military announces that the search for hydrogen bomb known as the Tybee Bomb was unsuccessful.

  • 2008: Mathematician Edward Lorenz dies. He introduced the strange attractor notion, and coined the term butterfly effect.

    2008: Mathematician Edward Lorenz dies. He introduced the strange attractor notion, and coined the term butterfly effect.

  • 2008: Lorenz system diagram says it "owes everything to Papa Lorenz."

    2008: Lorenz system diagram says it "owes everything to Papa Lorenz."

  • 2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

    2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.

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