surprising details about the burger chains you love

1. The Hamburg steaks that German immigrants brought to the United States are where the word "Hamburger" comes from.

2. Before their introduction at the St. Louis World's Fair in 1904, hamburgers were not widely consumed.

3. In the US, 50 billion hamburgers are consumed annually.

4. The home of the Hamburger Hall of Fame is Seymour, Wisconsin.

5. In 1982, the 3,591-pound monster burger that could feed over 10,000 people was created.