Thats an interesting theory
https://library.tarvalon.net/index.php?title=The_Fourth_Age
Is what we have on the fourth age - places like "Great Arvalon", Taralan and "court of the Sun" are not third age places, though it i easy to see how Tar Valon could become Great Arvalon. That said, I can't...
I think we have to be very cautious when people talk about "Age before the Age of Legends" - It is largely just speculation. We don't know how long the Age of Legends lasted, or what event marked the start. Did people in the Age of Legends know about the previous age? Following the end of the...