Ice cores are useful for scientists who want to learn about the climate in Antarctica thousands of years ago.
Thousands of years ago in Antarctica.
Antarctica and Australia were separated approximately 55 million years ago, when Australia began to move north to its current position.
I think it was made 170 million years ago
By 4000 years ago (2000 BCE) people were living pretty well distributed on all the continents of the world except for Antarctica. This includes almost all inhabitable valleys in the world.
They were known as Druids.
Going far enough back Antarctica was tropical.
2000 years ago
No, there were no helicopters 2,000 years ago
Christianity started about 2000 years ago!
Antarctica.
600 years ago