Occult:This month in history/December

Sol Invictus on a Disc
  • December - The Rider-Waite Tarot is published for the first time. (1909)
  • 5 December - Pope Innocent VIII issues the Summis desiderantes affectibus, a papal bull that deputizes Heinrich Kramer and Jacob Sprenger as inquisitors to root out alleged witchcraft in Germany. (1484)
  • 6 December - Transit of Venus, second and last of the 19th century. (1882)
  • 6 December - Birth of Dion Fortune, a Welsh occultist, psychologist, and author. (1890)
  • 9 December - The Virgin of Guadalupe first appears to Juan Diego at Tepeyac, Mexico City. (1531)
  • 9 December - Birth of Hélène Smith, a French psychic and occultist. (1861)
  • 15 December - Birth of Emperor Nero of Rome. (37)
  • 17 December - The first Saturnalia festival was celebrated in ancient Rome. (497 BC)
  • 20 December - The Zodiac Killer kills Betty Lou Jenson and David Faraday in Vallejo, California. (1968)
  • 21 December - A great conjunction of Jupiter and Saturn occurs, with the two planets separated in the sky by 0.1 degrees. This is the closest conjunction between the two planets since 1623. (2020)
  • 21/22 December - Winter Solstice in the Northern Hemisphere.
  • 25 December - A temple to Sol Invictus is dedicated in Rome by Emperor Aurelian. (274)
  • 27 December - Birth of Johannes Kepler, a German mathematician, astronomer, and astrologer. (1571)
  • 31 December - Birth of Simon Forman, an English occultist and astrologer. (1552)