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.