Marijuana has a long history throughout the world. We all know about the ganja from India and weed from Jamaica. But there are some significant historical figures and cultures who made important contributions to the development of cannabis, as well as taking a few interesting detours. Whether they promoted growing weed or simply took the inspiration a few puffs can provide to new heights, these illustrious figures and cultures all have an important green connection. From ancient civilizations to queens to presidents to emperors, read on to learn the who, when, where, and what about some of the most unlikely contributors to cannabis culture.