300 million years ago
From Multiversal Omnipedia
Events
- Real World: 299 million years ago. Beginning of the Permian Period, which is marked by a mass extinction that wipes out 95% of all life on Earth.
- Real World: 251 million years ago. The Mesozoic Era begins with the Triassic Period. Rise of the first dinosaurs, and primitive egg-laying mammal-like animals.
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