1470 - 1500 CE
Coffee is introduced in Mecca and becomes extremely popular

"Coffee is introduced into Mecca and Medina by dervishes for religious purposes, as in Aden. Coffee becomes so popular in Mecca that inhabitants ignore the restrictions of holy men and begin to drink publicly in secular cave lanes (coffee houses)".

Drugs: Caffeine (coffee, tea, cola, etc.)
Regions: Saudi Arabia
Topics: Cultural factors (social, religious, ritual)