Deaths on April 12

Charles Messier

Died on April 12, 1817

Charles Messier, French astronomer and academic (b. 1730)

Charles Messier (French: [ʃaʁl me.sje]; 26 June 1730 – 12 April 1817) was a French astronomer. He published an astronomical catalogue consisting of 110 nebulae and faint star clusters, which came to be known as the Messier objects. Messier's purpose for the catalogue was to help astronomical observers distinguish between permanent and transient visually diffuse objects in the sky.

References

Charles Messier

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Events on 1817

19 Jan

Crossing of the Andes
An army of 5,423 soldiers, led by General José de San Martín, crosses the Andes from Argentina to liberate Chile and then Peru.
12 Feb

Battle of Chacabuco
An Argentine/Chilean patriotic army, after crossing the Andes, defeats Spanish troops on the Battle of Chacabuco.
15 Apr

American School for the Deaf
Thomas Hopkins Gallaudet and Laurent Clerc founded the American School for the Deaf, the first American school for deaf students, in Hartford, Connecticut.
4 Jul

Erie Canal
In Rome, New York, construction on the Erie Canal begins.
30 Oct

Simón Bolívar
The independent government of Venezuela is established by Simón Bolívar.

Deaths on April 12

Charles Messier

Died on April 12, 1817

References

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Events on 1817

Crossing of the Andes

Battle of Chacabuco

American School for the Deaf

Erie Canal

Simón Bolívar