The Big Mac gave McDonald’s one of its best-known sandwich names and branding in 1968.
McDonald’s introduced the Big Mac nationally in 1968 after it had been developed and tested in the United States. The sandwich’s name became one of the most recognizable product brands in fast food, supported by its distinctive two-beef-patty format, special sauce, lettuce, cheese, pickles, and onions on a three-part bun.
The Big Mac was not the company’s first hamburger or its first famous specialty sandwich. The Filet-O-Fish had appeared earlier, in 1963, and the Quarter Pounder followed in 1971. However, the Big Mac became especially important to McDonald’s branding because its name was easy to remember and its product identity was consistent across many markets.
The sandwich also generated later brand references, including the Big Mac Index used by The Economist. That economic comparison is separate from the sandwich’s restaurant branding, but it shows how widely the product name entered popular culture.