Template:Selected anniversaries/May 18

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  • 1048: Polymath, scholar, mathematician, astronomer, philosopher, and poet Omar Khayyám born. He wrote one of the most important treatises on algebra written before modern times, the Treatise on Demonstration of Problems of Algebra (1070), which includes a geometric method for solving cubic equations by intersecting a hyperbola with a circle. As an astronomer, he designed the Jalali calendar, a solar calendar with a very precise 33-year intercalation cycle.

    1048: Polymath, scholar, mathematician, astronomer, philosopher, and poet Omar Khayyám born. He wrote one of the most important treatises on algebra written before modern times, the Treatise on Demonstration of Problems of Algebra (1070), which includes a geometric method for solving cubic equations by intersecting a hyperbola with a circle. As an astronomer, he designed the Jalali calendar, a solar calendar with a very precise 33-year intercalation cycle.

  • 1711: Polymath Roger Joseph Boscovich born. He will be a physicist, astronomer, mathematician, philosopher, diplomat, poet, theologian, and Jesuit priest.

    1711: Polymath Roger Joseph Boscovich born. He will be a physicist, astronomer, mathematician, philosopher, diplomat, poet, theologian, and Jesuit priest.

  • James B. Francis

    1815: Civil engineer James B. Francis born. He will invent the Francis turbine.

  • 1822: Photographer and journalist Mathew Brady born. He will be one of the first American photographers, best known for his scenes of the Civil War.

    1822: Photographer and journalist Mathew Brady born. He will be one of the first American photographers, best known for his scenes of the Civil War.

  • 1850: Self-taught electrical engineer, mathematician, and physicist Oliver Heaviside born. Heaviside will make major breakthroughs in the applied mathematics of electrical engineering; although he will be at odds with the scientific establishment for most of his life, Heaviside will change the face of telecommunications, mathematics, and science for years to come.

    1850: Self-taught electrical engineer, mathematician, and physicist Oliver Heaviside born. Heaviside will make major breakthroughs in the applied mathematics of electrical engineering; although he will be at odds with the scientific establishment for most of his life, Heaviside will change the face of telecommunications, mathematics, and science for years to come.

  • 1871: Gem detective and arms dealer Egon Rhodomunde accuses Niles Cartouchian of manufacturing illegal time crystals (nonfiction).

    1871: Gem detective and arms dealer Egon Rhodomunde accuses Niles Cartouchian of manufacturing illegal time crystals (nonfiction).

  • 1872: Philosopher, logician, mathematician, historian, writer, social critic and political activist Bertrand Russell born.

    1872: Philosopher, logician, mathematician, historian, writer, social critic and political activist Bertrand Russell born.

  • 1902: "Fightin'" Bert Russell defeats Baron Zersetzung with knockout punch in the third round of bare-knuckled boxing at the World Peace Conference.

    1902: "Fightin'" Bert Russell defeats Baron Zersetzung with knockout punch in the third round of bare-knuckled boxing at the World Peace Conference.

  • 1983: Newly discovered Gnomon algorithm functions prove that Soviet Air Defense office Stanislav Yevgrafovich Petrov is "completely unaware" of the upcoming 1983 Soviet nuclear false alarm incident, according to a APTO emeritus Alice Beta.

    1983: Newly discovered Gnomon algorithm functions prove that Soviet Air Defense office Stanislav Yevgrafovich Petrov is "completely unaware" of the upcoming 1983 Soviet nuclear false alarm incident, according to a APTO emeritus Alice Beta.

  • 2016: Cowries voted Image of the Day by the citizens of New Minneapolis, Canada.

    2016: Cowries voted Image of the Day by the citizens of New Minneapolis, Canada.

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