Assertion: die | /r/CapableOf | date in 3rd millennium bce
Facets:
value: back to sumer
type: OTHER
Source sentences:
text: Pyramidal dice (with four sides) are as old as cubical ones; such dice were found with the so-called Royal Game of Ur, one of the oldest complete board games ever discovered, dating back to Sumer in the 3rd millennium bce.