Bizarro PSA from Canada, with this explanation: "There was a long-running debate here over whether Quebec (mostly French-speaking, of course) should be defined as a "distinct society" in our constitution. It's cooled off lately, but I'm sure it'll flare up again someday. If it ever does, here's the best evidence I can find for the "yes" side: a truly awesome ad for the Montreal Metro from the mid-70's. You don't need to speak franšais to get a laugh from this one. And to think, it was designed to encourage public transit."
Video here: List Of The Day: Freaky-Ass PSA Of The Day