Have you had your trivia today?

The answer to yesterday’s question was George Washington and James Madison.
Today’s question is:
Which person, in 1900, published a book called, “The Interpretation of Dreams” ?
Leave your answers as comments to this post.

Have you had your trivia today?

Which two people signed the U.S. Constitution on September 17, 1787, and later became U.S. Presidents?
Leave your answers as comments to this post.
Tomorrow you can get the answer right here.