According to the Western Astrology, which is commonly accepted and “promoted” by the current pop culture there are 12 zodiac signs. Many people believe that Zodiac Signs can tell a lot about someone’s life, and personality. So, today we are about to learn more about one of the zodiac signs: Sagittarius. This is when people who belong in this Zodiac Sign are born. Greek mythology associates Sagittarius with the centaur Chiron, who mentored Achilles, a Greek hero of the Trojan War, in archery.