Historical Events
- Apr 3 Palace of the Grand Master of the Knights of Rhodes badly damaged by gunpowder explosion, kills 4,000 on island of Rhodes
- Apr 10 The Theta Chi Fraternity is founded at Norwich University, Vermont
- Apr 11 Battle of Rivas; Costa Rica beats William Walker's invading Nicaraguans
- Apr 18 Russian Chancellor Count Nesselrode resigns
Famous Birthdays
Booker T. Washington (1856-1915)
Apr 5 American education pioneer and 1st African American on a US stamp, born in Hale's Ford, Virginia
- Apr 11 Arthur Shrewsbury, English cricket batsman (23 Tests [7 captain]; 1277 runs @ 35 47; Nottinghamshire), born in New Lenton, England (d. 1903)
- Apr 11 Constantly Lievens, Flemish missionary in India, born in Moorslede, Belgium (d. 1893)
- Apr 12 William Conway, 1st Baron Conway of Allington, English historian and explorer (Spitzbergen), born in Rochester, Kent (d. 1937)
- Apr 14 Therese Zamara, Austrian harpist and music teacher, born in Vienna, Austria (d. 1927)
- Apr 22 [Marie] Louise Hens, Flemish actress (Two Orphans) (d. 1939)
- Apr 23 Granville Woods, American inventor, 1st post civil war African American mechanical and electrical engineer, invented telegraph for railways, born in Columbus, Ohio (d. 1910) [1]
Philippe Pétain (1856-1951)
Apr 24 French marshal and Chief of the French State (1940-44), born in Cauchy-à-la-Tour, France
- Apr 26 Joseph Ward, 17th Prime Minister of New Zealand (1906-12), born in Melbourne, Victoria Colony (d. 1930)
Famous Deaths
- Apr 11 Juan Santamaría, national hero of Costa Rica (b. 1831)