Events in History
- Apr 15 1st American school for the deaf opens (Hartford, Connecticut)
- Apr 17 1st US school for deaf (Hartford, Connecticut)
- Apr 22 Curacao prohibits use of white paint due to fierce sunlight
Birthdays in History
- Apr 1 Johannes J van Oosterzee, Dutch theologist
- Apr 4 John Wilson Sprague, American Brevet Major General (Union Army), born in White Creek, New York (d. 1893)
- Apr 13 Alphonse Wauters, Belgian historian and archivist (Brussels), born in Brussels, Belgium (d. 1898)
- Apr 18 George Henry Lewes, English philosophical writer (Life of Goethe), born in London (d. 1878)
- Apr 19 John Philip "Spanish John", Scottish painter, born in Aberdeen (d. 1865)
Deaths in History
Charles Messier
Apr 12 Charles Messier, French astronomer (cataloguer of "M objects"), dies at 86
Charles Messier