Historical Events
Kepler's Epiphany
Jul 19 Astronomer Johannes Kepler has an epiphany and develops his theory of the geometrical basis of the universe while teaching in Graz
- Jul 21 Spanish explorer Álvaro de Mendaña is the first European to discover the Marquesas Island in Eastern Polynesia
Famous Birthdays
- Jul 31 Alessandro Algardi, Italian sculptor and architect, born in Bologna, Italy (d. 1654)