WHAT IS WHEN IN THUNDERSTONE?

2000: There are still Animals on earth
2002: The Nemesis Comet hits the earth

2020: The time of the North Col Constitution (Daniels Family, Syndia, Pohl, etc.)

Later 2020 is the Land of Elysium, where Noah lives with his Family and the ex-Nomads.
2065: The time of Drako and the other kids on E-Delta.
2085: The time of Haven (Nomads, Protectors, Sand-tribers, etc.)
2235: The time of the Silver City (Lyal, Myah, Rorden and Tod)