McDonald's Specification Manual

We've already learned that Grimace has a dark, criminal past. But the 1970s specification manual at How to Be a Retronaut also reveals that, at some point, Mayor McCheese lost his seat. Or he stopped holding his sham elections. It's a bit ambiguous.

http://www.howtobearetronaut.com/2011/09/mcdonaldland-specification-manual-1970s/