exactly cannabis first became valued by the Middle Eastern world for
its psychoactive properties is unclear, but within a few centuries it
would become more popular in those societies than anywhere else in
the medieval world. According to one legend, it was brought to Persia
by an Indian pilgrim during pre-Islamic times sometime in the 500s.
Other sources claim it was introduced by traveling Chinese merchants.
herbanindigo, Origins of Cannabis: Hashish in the Middle East,
August 31, 2016 by Sam Bass