1997 Event U.S. launches nuclear powered Cassini to Saturn 1951 Birthday Nadia Cassini, Gianna Lou Muller, Woodstock, New York, model, Oui 1913 Birthday Oleg Cassini, Paris, France, fashion designer, Jackie Kennedy 1784 Death Cesar F Cassini "the Thury", French astronomer (geodesic labor), dies 1756 Death Jacques Cassini, French astronomer (Discover rings of Saturn), dies at 79 1748 Birthday Jacques D "comte" Cassini, French astronomer 1714 Birthday Cesar F Cassini, de Thury, French astronomer, geodesic labor 1712 Death Jean [Giovanni] D Cassini, Italian/French astronomer, dies 1712 Death Giovanni D Cassini, French astronomer, dies 1686 Event Cassini reports seeing a satellite orbiting Venus 1677 Birthday Jacques Cassini, French astronomer, rings of Saturn 1672 Event Giovanni Cassini discovers Rhea, a satellite of Saturn 1671 Event Giovanni Cassini discovers Iapetus, satellite of Saturn 1625 Birthday Giovanni D Cassini, Perinaldo, France, discoverer, 4 moons of Saturn