Chocolate history discovery

This video is called The History Of Chocolate Part 1 of 4.

From daily The Morning Star in Britain:

Chocolate found on 2,500-yr-old plate

MEXICO: We’ve been eating chocolate for much longer than previously thought, archaeologists have found.

The National Institute of Anthropology and History said traces of chocolate had been found on a 2,500 year-old plate.

Evidence has been found of Mayans drinking chocolate before that date but this is the first proof it was eaten.

See also here.

What Makes Chocolate So Irresistible? A New Study Hints at an Answer: here.