McDonald's introduced the McDonaldland fictional community in 1971.
The campaign created a fantasy setting around McDonald's food and characters, including Ronald McDonald, Grimace, the Hamburglar, Birdie, and Mayor McCheese. Television commercials and restaurant promotions presented McDonaldland as a recognizable branded world rather than simply a series of isolated mascots.
McDonaldland is often confused with the name of an individual character or with Ronald McDonald's own fictional identity. It was the broader community and setting. The campaign became especially prominent during the 1970s and helped McDonald's build a distinctive family-oriented advertising style.
Some characters were later retired, redesigned, or used less frequently, but McDonaldland remains an important chapter in the company's branding history.