Births on April 28

Ezra Abbot, American scholar and academic (d. 1884)

Ezra Abbot (April 28, 1819, Jackson, Maine – March 21, 1884, Cambridge, Massachusetts) was an American biblical scholar.

19 Feb

South Shetland Islands
British explorer William Smith discovers the South Shetland Islands and claims them in the name of King George III.
1 Jul

Great Comet of 1819
Johann Georg Tralles discovers the Great Comet of 1819, (C/1819 N1). It was the first comet analyzed using polarimetry, by François Arago.
7 Aug

Battle of Boyacá
Simón Bolívar triumphs over Spain in the Battle of Boyacá.