Since long before the Common Era, leaders have used astrology to help them make important decisions—even during wartime. No matter how much each president thought about the stars, did their birth charts influence their beliefs and behaviors? And could your birthday make you more or less likely to be commander in chief? We cannot answer these questions because we are history-nerd writers, not astrologers. We do, though, know that Scorpio is the most common zodiac sign of every president.

Pisces: feb. 19–March 20

aries: march 21–april 19

taurus: April 20–may 20

Gemini: May 21–june 21

cancer: june 22–july 22

leo: July 23–aug. 22

virgo: aug. 23–sept. 22

libra: sept. 23–oct. 23

scorpio: oct. 24–nov. 21

sagittarius: nov. 22–dec. 21

  • Franklin Pierce (Nov. 23, 1804)
  • Zachary Taylor (Nov. 24, 1784)
  • Martin Van Buren (Dec. 5, 1782)

capricorn: dec. 22–jan. 19

aquarius: jan. 20–feb. 18