AdvertisementWorld's Oldest Tea Discovered In An Ancient Chinese Emperor's TombJanuary 26, 2016Jeremy CherfasfacebookEmailLoose-leaf green tea of the modern variety. Archaeologists have discovered ancient tea in the tomb of a Chinese emperor who died in 141 B.C. It's the oldest known physical evidence of tea. But scientists aren't sure if the emperor was drinking tea as we know it or using it as medicine. (iStockphoto)