In 1948 Richard and Maurice Mcdonald open their first restaurant. They opened their first "McDonalds" restaurant in 1948. But, they opened their first restaurant (a barbecue restaurant called the Airdrome) in 1940.
The original and first McDonald's opened in 1940 on U.S. Route 66, at 14th and E St., on May 15 in San Bernardino, California. The original McDonald's first opened in 1940 The original (Dick and Mac) McDonald's was founded in 1940 by the McDonald brothers in San Bernardino, California.