For nearly a century, one object found inside the tomb of King Tutankhamun puzzled historians and archaeologists alike. Hidden among the treasures buried with the young pharaoh was an elegant iron dagger that seemed completely out of place in ancient Egypt.
At a time when Egypt was still firmly in the Bronze Age, iron was extremely rare. Large-scale iron smelting had not yet been developed, raising an intriguing question: how did an iron blade end up in the tomb of one of Egypt's most famous rulers?