21st » Manuel Blanco Encalada, Chilean admiral and politician, 1st President of Chile (d. 1876)
Famous Deaths for April 1790
6th » Louis IX, Landgrave of Hesse-Darmstadt (b. 1719)
17th » Benjamin Franklin, American inventor, publisher, and politician, 6th List of Governors of Pennsylvania named President of Pennsylvania (b. 1706)