In the course of their careers, public relations pros build a long list of areas they need to study—how various industries operate, differences among markets, cultural traits globally, digital devices, media preferences and processes, not to mention grammar, spelling and writing skills. But the one area that many PR practitioners—especially younger ones—fail to study over the years is the years themselves.

Today’s account teams are intensely focused on the latest trends, emerging social media, pop culture, sometimes politics, but they often haven’t taken the time to understand the historical roots of these phenomena. As in changing lanes in a car, we can’t really appreciate our fast-changing current society without first looking back to see what’s behind us.

Click here to take the quiz and see just how much you know about PR's history