Machu Picchu was abandoned around 1572 and remained unknown to the outside world until 1911.

The Sumerians developed one of the earliest writing systems.

Fact #599 · History

The Renaissance began in Italy during the 14th century.

Fact #591 · History

Ancient Rome had a complex system of aqueducts.

Fact #260 · History

The Permian extinction eliminated most marine species.

Fact #717 · History

Prehistoric cave paintings provide insight into early humans.

Fact #699 · History

The Wright brothers made their first powered flight in 1903.

Fact #608 · History

The 2004 Indian Ocean tsunami was triggered by a massive undersea earthquake.

Fact #807 · History

In 1859, a powerful solar storm disrupted telegraph systems across the world.

Fact #761 · History