The Rapa Nui civilization built moai during a period of resource depletion as forests disappeared.

In 1920, a town in Minnesota briefly elected a bear as mayor in a publicity stunt.

Fact #773 · History

The Library of Alexandria was one of the largest centers of learning in the ancient world.

Fact #579 · History

In 1983, a Soviet officer refused to report a false missile alert, potentially preventing nuclear war.

Fact #777 · History

The asteroid impact linked to dinosaur extinction occurred about 66 million years ago.

Fact #695 · History

The first mammals appeared during the age of dinosaurs.

Fact #677 · History

The saber-toothed cat went extinct around 10,000 years ago.

Fact #715 · History

The Renaissance saw advances in art, science, and philosophy.

Fact #618 · History

The Great Pyramid of Giza was once the tallest man-made structure.

Fact #118 · History