Events on October 21 in history

Joseph Aspdin patents Portland cement.

Joseph Aspdin (25 December 1778 – 20 March 1855) was an English cement manufacturer who obtained the patent for Portland cement on 21 October 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.