McDonald’s is one of the largest and most well-known fast food chains in the world. Founded in 1940 in the United States, it is famous for its burgers, fries, and other fast food items. The company operates in over 100 countries and serves millions of customers daily. Key menu items include the Big Mac, Chicken McNuggets, and McFlurry. McDonald’s is also known for its global presence, consistent branding, and innovations like drive-thrus and digital ordering.