Births on January 19

Jacobus Kapteyn

Born on January 19, 1851

Jacobus Kapteyn, Dutch astronomer and academic (d. 1922)

Prof Jacobus Cornelius Kapteyn FRS FRSE LLD (19 January 1851 – 18 June 1922) was a Dutch astronomer. He carried out extensive studies of the Milky Way and was the discoverer of evidence for galactic rotation. Kapteyn was also among the first to suggest the existence of dark matter using stellar velocities as early as 1922.

References

Jacobus Kapteyn

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Events on 1851

12 Feb

Australian gold rushes
Edward Hargraves announces he has found gold in Bathurst, New South Wales, Australia, starting the Australian gold rushes.
11 Mar

Giuseppe Verdi
The first performance of Rigoletto by Giuseppe Verdi takes place in Venice.
21 May

Colombia
Slavery is abolished in Colombia, South America.
5 Jun

Uncle Tom's Cabin
Harriet Beecher Stowe's anti-slavery serial, Uncle Tom's Cabin, or Life Among the Lowly, starts a ten-month run in the National Era abolitionist newspaper.
24 Oct

Umbriel (moon)
William Lassell discovers the moons Umbriel, and Ariel, orbiting Uranus.

Births on January 19

Jacobus Kapteyn

Born on January 19, 1851

References

Choose Another Date

Events on 1851

Australian gold rushes

Giuseppe Verdi

Colombia

Uncle Tom's Cabin

Umbriel (moon)