66 million years ago
The great extinction
An asteroid strike ends the age of the dinosaurs.
A large asteroid struck the Earth and, together with intense volcanism, drove a mass extinction that erased every dinosaur except the birds. Small mammals were among the survivors.
- Period
- Paleogene
- Earth's history already passed
- 98.5463 percent
- 4.54 kilometres
- 66 metres from the end
- One day
- 23:39:03
- One year
- December 26, 16:39
Source: US Geological Survey · Source to be verified