9th » René-Robert Cavelier, Sieur de La Salle known as Robert Cavelier de La Salle discovers the mouth of the Mississippi River, claims it for France and names it Louisiana (New France) called Louisiana.
Famous Birthdays on April in 1682
3rd » Valentin Rathgeber, German organist and composer (d. 1750)
16th » John Hadley, English mathematician, invented the octant (instrument) known as octant (d. 1744)
Famous Deaths for April 1682
1st » Franz Egon of Fürstenberg, Bavarian bishop (b. 1625)