McDonald's is a globally recognized fast-food chain that has been in operation since 1940. Founded in San Bernardino, California, by brothers Richard and Maurice McDonald, the chain has since grown to become one of the largest and most successful fast-food chains in the world, with over 39,000 locations in more than 100 countries. McDonald's is known for its iconic Golden Arches logo, its signature menu items such as the Big Mac, Quarter Pounder, and Chicken McNuggets, and its commitment to providing customers with fast, affordable, and convenient food options. With a strong focus on innovation and adapting to changing consumer preferences, McDonald's continues to be a leader in the fast-food industry and a beloved staple in communities around the globe.