The Kish tablet, a humble clay slab, marks a key moment in the journey of writing. The tablet is the oldest written document we have, the dawn of recorded history as we know it. The Mesopotamians ...

What it is: A cuneiform mathematical clay tablet with an incorrect answer Where it is from: Tell Ingharra, Kish (Sumer), modern-day Iraq When it was made: Old Babylonian period, between 1900 and ...