Hello Future people of the UK! Would you like to visit me at the dawn of civilization in Ancient Sumer? Well, to do that you’ve got to travel back way back in time. Back before the Vikings ...

Flooding meant that crops weren't growing as well. Cities began to struggle. In the end, Sumer was invaded by the Elamites who came from modern-day Iran. Narrator: Hello, future people of the UK.

The Epic of Gilgamesh, known as the oldest story in history, is thought to have been written in the early 2nd millennium BC, with the original being even older, in the 4th millennium BC.