First, I want to say how awesome and useful these materials are and how thankful I am. I love details so in the future I will use them quite often. Before that I have just a question though, excuse me if it’s a silly one. What does “kingdom age” exactly stand for?
I mean, let’s take Kingdom A. The realm as we know it, exist already for, let’s say, something like 650-700 years. However, because no world is so flat in history aspect, the territory had been occupied by other, early civilizations much more years before that no matter if they were just tribal or more advanced. So in this case which age should I write down? The years after it was officially founded as a realm or the year when the territory itself was occupied by the first ancestors? I am asking because when I thought about it, all of them should have left some ruins after themselves as well. Should they be reflected in the chart?