Famous Birthdays
- Apr 1 Fredrik Cygnaeus, Finnish poet, literary critic and nationis, born in Hämeenlinna, Finland (d. 1881)
- Apr 20 Aloysius Bertrand, French poet (Gaspard de la Nuit - Gaspard of the Night), and playwright, born in Ceva, Piedmont, France (now in Italy) (d. 1841)
- Apr 24 Charles Ferguson Smith, American Major General (Union Army), born in Philadelphia, Pennsylvania (d. 1862)
Famous Deaths
- Apr 1 Louis François Chambray, French composer, dies at 69
- Apr 1 Vaclav Josef Bartolomej Praupner, composer, dies at 61
- Apr 4 Joseph Jerome Le Francais de Lalande, French astronomer, dies a 74
- Apr 9 John Opie, English painter (The Murder of Rizzio), dies at 46
- Apr 10 Anna Amalia of Brunswick-Wolfenbüttel, German princess and composer (patron of Classical Weimar court), dies at 67
- Apr 13 Maria Theresa of Naples and Sicily, Holy Roman Empire Empress, dies at 34
