The business began in 1940, with a restaurant opened by brothers Richard and Maurice McDonald in San Bernardino, California. Their introduction of the "Speedee Service System" in 1948 established the principles of the modern fast-food restaurant. The original mascot of McDonald's was a man with a chef's hat on top of a hamburger shaped head whose name was "Speedee." Speedee was eventually replaced with Ronald McDonald by 1967 when the company first filed a U.S. trademark on a clown shaped man having a puffed out costume legs.
McDonald's restaurants are found in 119 countries and territories around the world and serve nearly 47 million customers each day. McDonald's operates over 31,000 restaurants worldwide, employing more than 1.5 million people.