Photos show what it was really like to eat at McDonald's in the 1950s

The McDonald's Restaurant USA #1 Store Museum is seen in Des Plaines, Illinois, May 26, 2012.

REUTERS/Jim Young

• The first McDonald's franchise restaurant opened in Des Plaines, Illinois, in 1955.
• When the first McDonald's restaurant opened, the menu only had nine items.
• A McDonald's museum was later opened to show visitors what the restaurant was like in the '50s.

The McDonald brothers, Richard and Maurice "Mac" McDonald, launched their burger restaurant in the 1940s.