Template:Selected anniversaries/September 18: Difference between revisions

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||1809: The Royal Opera House in London opens.
||1809: The Royal Opera House in London opens.


||1819: Léon Foucault born ... physicist and academic.
||1819: Léon Foucault born ... physicist and academic ... best known for his demonstration of the Foucault pendulum, a device demonstrating the effect of the Earth's rotation. He also made an early measurement of the speed of light, discovered eddy currents, and is credited with naming the gyroscope. Pic.


||1918: Carl-Gustav Esseen born ... mathematician. His work was in the theory of probability. The Berry–Esseen theorem is named after him.
||1918: Carl-Gustav Esseen born ... mathematician. His work was in the theory of probability. The Berry–Esseen theorem is named after him.

Revision as of 06:10, 14 February 2019

  • 1751: Mathematician, astronomer, and crime-fighter Pieter van Musschenbroek uses a grid of Leyden jars to detect and prevent crimes against mathematical constants.

    1751: Mathematician, astronomer, and crime-fighter Pieter van Musschenbroek uses a grid of Leyden jars to detect and prevent crimes against mathematical constants.

  • 1783: Mathematician and physicist Leonhard Euler dies. He made important and influential discoveries in many branches of mathematics, and introduced much of the modern mathematical terminology and notation, such as the notion of a mathematical function.

    1783: Mathematician and physicist Leonhard Euler dies. He made important and influential discoveries in many branches of mathematics, and introduced much of the modern mathematical terminology and notation, such as the notion of a mathematical function.

  • 1913: Jazz drummer and theoretical physicist Albert Einstein performs at charity concert to benefit victims of crimes against mathematical constants.

    1913: Jazz drummer and theoretical physicist Albert Einstein performs at charity concert to benefit victims of crimes against mathematical constants.

  • 1947: The majority of the provisions of the National Security Act, which establishes The National Security Council and the Central Intelligence Agency, come into effect, the day after the Senate confirmed James Forrestal as the first Secretary of Defense.

    1947: The majority of the provisions of the National Security Act, which establishes The National Security Council and the Central Intelligence Agency, come into effect, the day after the Senate confirmed James Forrestal as the first Secretary of Defense.

  • 1967: Physicist, academic, and Nobel Prize laureate John Cockcroft dies. He was instrumental in the development of nuclear power.

    1967: Physicist, academic, and Nobel Prize laureate John Cockcroft dies. He was instrumental in the development of nuclear power.

  • 1976: Public servant and alleged time-traveller The Custodian tells a funny story about why you can't go in there.

    1976: Public servant and alleged time-traveller The Custodian tells a funny story about why you can't go in there.

  • 1977: Voyager 1 takes first photograph of the Earth and the Moon together.

    1977: Voyager 1 takes first photograph of the Earth and the Moon together.

  • 1978: Electrical engineer and crime-fighter Florence Violet McKenzie publishes memoirs, reveals that she received messages from AESOP during the Second World War.

    1978: Electrical engineer and crime-fighter Florence Violet McKenzie publishes memoirs, reveals that she received messages from AESOP during the Second World War.

  • 2016: Red Spiral 3 voted Picture of the Day by the citizens of New Minneapolis, Canada.

    2016: Red Spiral 3 voted Picture of the Day by the citizens of New Minneapolis, Canada.

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