45 years ago McDonald's debuted its popular McRib. Now, it's back again after countless rereleases.

Source: Business Insider

McDonald's McRib is a limited item that appears on the menu irregularly. Erin McDowell/Business InsiderMcDonald's brought back the McRib for a national farewell tour in the fall of 2022.  The McRib has had at least three other farewell tours and has been on and off menus since 1981.