Ethiopian pipes containing marijuana suggest the herb has spread from Egypt to the rest of Africa.

Journeys of Marco Polo in which he gives second-hand reports of the story of Hasan ibn al-Sabbah and his "assassins"

The oldest monograph on hashish, Zahr al-'arish fi tahrim al-hashish, was written. It has since been lost. Ibn al-Baytar of

Nights, an Arabian collection of tales, describes hashish's intoxicating and aphrodisiac properties.

During the Ayyubid dynasty of Egypt, Cannabis is introduced by mystic devotees from Syria.

Persian legend of the Sufi master Sheik Haydar's personal discovery of Cannabis and his own alleged invention of hashish with

In Khorasan, Persia, Hasan ibn al-Sabbah, recruits followers to commit assassinations...legends develop around their supposed use of hashish. These legends

Hemp ropes appear on Italian ships. Arabic physician Ibn Wahshiyah's On Poisons warns of marijuana's potential dangers.

Scholars debate the pros and cons of eating hashish. Use spreads throughout Arabia.

Arabs learn techniques for making hemp paper.