We don't recall ever seeing them on our coins, stamps, or monuments, but we're told the following seven men were once president of the United States. Go figure!

Herbert Hoover (President #31, 1929--1933)

Although Herbert Hoover won the 1928 presidential election with almost 60 percent of the vote, today he's basically remembered as a dam. Actually, many Americans probably think he was an FBI director or the guy who invented a vacuum.