Random Musing - The March of Progress in a Campaign World

This notion just struck me a few moments ago, so I figured I'd put it down on pixel while it was fresh in my mind. I was thinking about the transition of a medieval-style fantasy campaign world, my own in fact, to a Renaissance level of technology and society - nation states, masses of firearm-armed men-at-arms, printing presses - and then to higher levels of advancement - the Victorian Age, etc