8th » The Venus de Milo is discovered on the Aegean Sea called Aegean island of Melos.
12th » Alexander Ypsilantis (1792-1828) or Alexander Ypsilantis is declared leader of Filiki Eteria, a secret organization to overthrow Ottoman Empire named Ottoman rule over Greece.
Famous Birthdays on April in 1820
6th » Nadar (photographer) called Nadar, French photographer, journalist, and author (d. 1910)
17th » Alexander Cartwright, American firefighter, invented Baseball (d. 1892)
27th » Herbert Spencer, English biologist, anthropologist, sociologist, and philosopher (d. 1903)