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Deaths on February 3

Jean-Baptiste Biot
1862Feb, 3

Jean-Baptiste Biot

Jean-Baptiste Biot, French physicist, astronomer, and mathematician (b. 1774)
Jean-Baptiste Biot (; French: [bjo]; 21 April 1774 – 3 February 1862) was a French physicist, astronomer, and mathematician who co-discovered the Biot–Savart law of magnetostatics with Félix Savart, established the reality of meteorites, made an early balloon flight, and studied the polarization of light.

The biot (a CGS unit of electrical current), the mineral biotite, and Cape Biot in eastern Greenland were named in his honour.

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Events on 1862

  • 30Jan

    USS Monitor

    The first American ironclad warship, the USS Monitor is launched.
  • 31Jan

    White dwarf

    Alvan Graham Clark discovers the white dwarf star Sirius B, a companion of Sirius, through an 18.5-inch (47 cm) telescope now located at Northwestern University.
  • 13Mar

    Emancipation Proclamation

    American Civil War: The U.S. federal government forbids all Union army officers from returning fugitive slaves, thus effectively annulling the Fugitive Slave Act of 1850 and setting the stage for the Emancipation Proclamation.
  • 15May

    Abraham Lincoln

    President Abraham Lincoln signs a bill into law creating the United States Bureau of Agriculture. It is later renamed the United States Department of Agriculture.
  • 17Aug

    Dakota War of 1862

    American Indian Wars: The Dakota War of 1862 begins in Minnesota as Lakota warriors attack white settlements along the Minnesota River.