Did you know we still practice one of two ancient Greek rituals around the world? One is the #OlympicGames, and the other was called the Eleusinian Mysteries, an annual, 9 day psychedelic ritual that was based on LSD analog in beer as being a catalyst to a mystical experience. They also prepared half of the year for the experience's profound effects including great reduction in the fear of death, and the society at the time swore to secrecy about it #jeuxolympiques https://www.thecollector.com/the-eleusinian-mysteries-ancient-greece/
Eleusinian Mysteries: The Secret Rites No One Dared Talk About

The Eleusinian Mysteries were ancient Greece’s most revered and secret celebrations. Slaves and women could participate, but all initiates swore a vow of secrecy.

TheCollector
The Eleusinian Mysteries: The Rites of Demeter

The Rites of Eleusis, or the Eleusinian Mysteries, were the secret rituals of the mystery school of Eleusis and were observed regularly from c. 1600 BCE - 392 CE. Exactly what this mystic ritual was...

World History Encyclopedia