Santa Claus needs no introduction, but you may be surprised by just how many different names he's gone by.
The limestone sarcophagus is thought to have been that of Saint Nicholas - the real-life inspiration behind Santa Claus.
The tomb of St Nicholas - the real-life inspiration behind Santa Claus - lived and died around 1,700 years ago.
Scientists have radiocarbon dated a small fragment of bone that may have belonged to Saint Nicholas.