Unlocked after a year for patrons only: Why do we divide history into epochs separated by "revolutions"? Astrology. How did Magellan chart his course around the globe? Astrology. How did Ronald Reagan schedule his acts of state? Astrology. We trace how the highest of the occult arts evolved from interpreting omens in ancient Babylonia, to containing medieval epidemics, to providing fodder for middle-brow magazines. Whether you are a believer or not, astrology is the secret rhythm of our lives. Become a patron in order to hear all patron-only lectures, including Myth of the Month 14: The Founding Fathers -- www.patreon.com/user?u=5530632 Suggested further reading: Benson Bobrick, "The Fated Sky"; Nicholas Campion, "The Great Year," Julie Beck, "The New Age of Astrology," The Atlantic magazine; Elijah Wolfson, "Your Zodiac Sign, Your Health," The Atlantic magazine; Sonia Saraiya, "Seeing Stars," Vanity Fair magazine. Image: Horoscope (birth chart) cast for Iskandar Sultan, grandson of Tamerlane, born 1384.