On this Day in History in 1862: Congress establishes US Mint in Denver, Colorado.
On this Day in History in 1855: First train crosses Miss River’s first bridge, at Rock Island Illinois and Davenport Iowa.
On this Day in History in 753 B.C.E.: Romulus and Remus found Rome.
On this Day in History in 1998: Astronomers announced in Washington that they had discovered possible signs of a new family of planets orbiting a star 220 light-years away.
On this Day in History in 1671: Giovanni Cassini discovers Iapetus, satellite of Saturn.
Fun Fact of the Day: The Solar System’s cosmographical boundary is defined by the outer limit of Oort Cloud. To simplify things, Sun’s gravitational dominance ends with Oort Cloud.
On this Day in History in 1789: William Herschel discovers Saturn’s moon Enceladus.