Births on April 18

Paul-Émile Lecoq de Boisbaudran

Born on April 18, 1838

Paul-Émile Lecoq de Boisbaudran, French chemist and academic (d. 1912)

Paul-Émile Lecoq de Boisbaudran, also called François Lecoq de Boisbaudran (18 April 1838 – 28 May 1912), was a French chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium.

He developed methods for separation and purification of the rare earth elements and was one of the pioneers of the science of spectroscopy.

References

Paul-Émile Lecoq de Boisbaudran

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Events on 1838

6 Jan

Telegraphy
Alfred Vail demonstrates a telegraph system using dots and dashes (this is the forerunner of Morse code).
28 Jun

Queen Victoria
Coronation of Queen Victoria of the United Kingdom.
18 Aug

Puget Sound
The Wilkes Expedition, which would explore the Puget Sound and Antarctica, weighs anchor at Hampton Roads.
3 Sep

Frederick Douglass
Future abolitionist Frederick Douglass escapes from slavery.
27 Oct

Extermination Order (Mormonism)
Missouri governor Lilburn Boggs issues the Extermination Order, which orders all Mormons to leave the state or be exterminated.

Births on April 18

Paul-Émile Lecoq de Boisbaudran

Born on April 18, 1838

References

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Events on 1838

Telegraphy

Queen Victoria

Puget Sound

Frederick Douglass

Extermination Order (Mormonism)