Births on February 22

Pierre Janssen

Born on February 22, 1824

Pierre Janssen, French astronomer and mathematician (d. 1907)

Pierre Jules César Janssen (22 February 1824 – 23 December 1907), also known as Jules Janssen, was a French astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium.

References

Pierre Janssen

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Events on 1824

22 Jan

Gold Coast (British colony)
The Ashantis defeat British forces in the Gold Coast.
7 May

Symphony No. 9 (Beethoven)
World premiere of Ludwig van Beethoven's Ninth Symphony in Vienna, Austria. The performance is conducted by Michael Umlauf under the composer's supervision.
15 Aug

Visit of the Marquis de Lafayette to the United States
The Marquis de Lafayette, the last surviving French general of the American Revolutionary War, arrives in New York and begins a tour of 24 states.
9 Oct

Costa Rica
Slavery is abolished in Costa Rica.
9 Dec

Battle of Ayacucho
Patriot forces led by General Antonio José de Sucre defeat a Royalist army in the Battle of Ayacucho, putting an end to the Peruvian War of Independence.

Births on February 22

Pierre Janssen

Born on February 22, 1824

References

Choose Another Date

Events on 1824

Gold Coast (British colony)

Symphony No. 9 (Beethoven)

Visit of the Marquis de Lafayette to the United States

Costa Rica

Battle of Ayacucho