The Cretaceous Period.
the iron age happened about 2.5 million years ago. the iron age was followed by the stone age, which happened about 3 million years ago
The late Jurassic Period, some 165 million years ago.
iron age
North America has been moving northward from Africa for the last 200 to 130 million years ago.
what really happened to the dinosaurs million years ago is it a fact
There quite a bit of evolutionary changes that happened 5 millions years ago. Mammals were constantly changing and humans as we know them today are said to be only 2.4 million years old.
Dinosaurs died
due to climate changes :)
Snakes appear to have evolved during the Cretaceous which lasted 135 - 65 Million years ago
16 million years ago approximately
1.8 million years ago