McDonald's restaurant dates its founding to the opening of a franchised restaurant by Ray Kroc, in Des Plaines, Illinois.

McDonald's Corporation, doing business as McDonald's, is an American multinational fast food chain. As of 2024, it is the second largest by number of locations in the world, behind the Chinese chain Mixue Ice Cream & Tea.

Raymond Albert Kroc was an American businessman who was instrumental in turning McDonald's into the most successful global fast food corporation by revenue. He purchased it from the McDonald Brothers in 1961, after several years as their franchising agent, and served as its CEO from 1967 to 1973.

Des Plaines is a city in Cook County, Illinois, United States. Per the 2020 census, the population was 60,675. The city is a suburb of Chicago and is located just north of O'Hare International Airport. It is situated on and is named after the Des Plaines River, which runs through the city just east of its downtown area.