I was exactly thinking this the other day while running and seeing an old, rusted lamp post in a rural street: "this was probably put there over 50 years ago, in the early seventies", and then thought at things from "over 50 years ago" when I was a child and well, WW2 was in its making. I don't know while I thought that but that's probably also a sign of our age: WW2 was the biggest thing "from the past" that our families lived or were touched more or less directly.