In 1798, Napoleon invaded Egypt in a failed attempt to install colonial rule. French soldiers did succeed in enthusiastically adopting the local custom of consuming hashish, a practice with a long, storied history in the Islamic world. When the occupation ended, they brought a taste for cannabis home that lead directly to the formation of Paris’s famed Club des Hashischins, where Alexandre Dumas, Victor Hugo, Honoré de Balzac, and Charles Baudelaire drank coffee laced with weed and got weird with it.