Portal:History of science/Selected anniversaries/July

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Selected anniversaries in July

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July 1:


July 2:
  • 1850 - The self-contained gas mask is patented by Benjamin J. Lane


July 3:
  • Great Auks
    is killed
  • automobile
  • Alexander M. Volkov
    , Russian novelist and mathematician (b. 1891)


July 4:
  • Amerindians near the star ζ Tauri. For several months it remains bright enough to be seen during the day. Its remnants form the Crab Nebula
  • Guido Grandi
    , Italian mathematician (b. 1671)
  • Victor Babeş
    , Romanian bacteriologist (d. 1926)
  • atomic bomb


July 5:
  • William John Macquorn Rankine
    , Scottish engineer and physicist (d. 1872)


July 6:
  • Regiomantus
    , German astronomer (b. 1436)
  • 2049
    respectively


July 7:
  • 1959 - 14:28 UT Venus occults the star Regulus. This rare event was used to determine the diameter of Venus and the structure of the Venusian atmosphere


July 8:


July 9:
  • Alphonse François Renard
    , Belgian geologist (b. 1842)


July 10:
  • African Eve
    " at 100,000 to 200,000 years ago


July 11:
  • 1735 - Mathematical calculations suggest that it was on this day that Pluto moved from the ninth to the eighth most distant planet from the Sun for the last time before 1979


July 12:


July 13:
  • John Dee
    , English scientist (d. 1609)
  • Friedrich August Kekulé von Stradonitz
    , German chemist (b. 1829)


July 14:
  • Jacques D'Allonville
    , French astronomer and mathematician (d. 1732)
  • Alexander M. Volkov
    , Russian novelist and mathematician (d. 1977)
  • William Henry Perkin
    , English chemist and inventor (b. 1838)
  • James W. Black
    , Scottish pharmacologist, Nobel laureate
  • Mars
    takes the first close-up photos of another planet


July 15:


July 16:


July 17:
  • Sergei K. Godunov
    , Russian mathematician
  • Little Feller I becomes the last atmospheric test detonation at the Nevada Test Site


July 18:


July 19:
  • Aleksandr Yakovlevich Khinchin
    , Russian mathematician (d. 1959)


July 20:


July 21:
  • Milan Rastislav Štefánik
    , Slovak politician and astronomer (d. 1919)


July 22:
  • Marie François Xavier Bichat
    , French anatomist (b. 1771)
  • Kirk Bryan
    , American geologist (d. 1950)
  • Jokichi Takamine
    , Japanese chemist (b. 1854)


July 23:


July 24:


July 25:
  • test tube baby
    " is born


July 26:


July 27:
  • Auguste-Henri Forel
    , Swiss entomologist (b. 1848)
  • Aleksandr Danilovich Aleksandrov
    , Russian mathematician (b. 1912)


July 28:
  • 2000 - Death of Abraham Pais, Dutch-born American physicist and historian (b. 1918)


July 29:
  • Vladimir Zworykin
    , Russian physicist and inventor (b. 1889)


July 30:
  • Vladimir Zworykin
    , Russian physicist (d. 1982)
  • Lunar Rover on the moon


July 31: