The last Lincoln penny was recently struck at the U.S. Mint in Philadelphia. Its removal from circulation marks just one of many changes that American currency has undergone since 1792, when the ...

Discover how currency unions impact global economies, their historical development, and the critiques they face. Learn about the largest unions like the Eurozone.

The United States’ first president, George Washington, has been on the front side of the one-dollar bill since 1869, Maurer says. His portrait is framed in an oval on the center of the bill, with the ...