McDonald's is a global fast-food restaurant chain renowned for its iconic golden arches and extensive menu of burgers, fries, and beverages. Founded in 1940 by Richard and Maurice McDonald in San Bernardino, California, the company revolutionized the food industry with its introduction of the "Speedee Service System," a precursor to modern fast-food service. In 1955, Ray Kroc, a visionary entrepreneur, joined the company and played a pivotal role in transforming McDonald's into an international powerhouse. Today, McDonald's operates over 38,000 locations in more than 100 countries, serving millions of customers daily. The brand is synonymous with consistency, offering a familiar menu that includes the Big Mac, Quarter Pounder, Chicken McNuggets, and Happy Meals. McDonald's has continually adapted to changing consumer preferences, introducing healthier options like salads, fruit, and low-fat beverages, as well as expanding its breakfast offerings. Beyond its menu, McDonald's is known for its innovative marketing campaigns, community involvement, and commitment to sustainability. The company invests in sustainable sourcing, waste reduction, and energy efficiency to minimize its environmental impact. Additionally, the Ronald McDonald House Charities provide support and resources to families with ill or injured children. McDonald's enduring success is a testament to its ability to evolve while maintaining core values of quality, service, cleanliness, and value, making it a beloved brand worldwide.