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Astrology Timeline

By gabbs_thoma24
  • 2400 BCE

    Oldest Known Chart

    Oldest Known Chart
    The oldest known horoscope chart is believed to date to 409 B.C. Starting from 2 400 B. C. After lots of observing, documenting and discovering patterns, they created the zodiac wheel we still use today.
  • 1800 BCE

    Earlier Practice

    Earlier Practice
    A form of astrology was practiced in the Old Babylonia period of Mesopotamia. Babylonians continued to explore the starry sky and, inventing the first astrological system over thousands of years.
  • 750 BCE

    Mayan Astronomers

    Mayan Astronomers
    Mayan Astronomers discover an 18.7- year cycle in the rising and setting of the moon
  • 401 BCE

    Introduction

    Introduction
    The twelve zodiac signs were introduced between 409 B. C and 398 B. C during Persian rule.
  • 400 BCE

    Babylonians

    Babylonians
    Babylonians use the zodiac to divide the heavens into twelve equal segments of thirty degrees each, the better to record and communicate information about the position of celestial bodies.
  • 387 BCE

    Plato

    Plato
    Plato, a Greek philosopher, founded a school that would influence the next 200 years. Explaining how the universe moves in harmony and that the Sun, Moon, and the planets move around Earth in perfect circles.
  • 3 BCE

    Observe Astronomical Cycles

    Observe Astronomical Cycles
    The practice probably began as soon as humans first started to observe astronomical cycles, with some of the earliest evidence dating from the 3rd millennium BCE.
  • 695

    Islamic Scholars

    Islamic Scholars
    After the conquest of Alexandria in the 7th century, astrology was taken up by Islamic scholars, and Hellenistic texts were translated into Arabic and Persian.

  • Galileo Telescope

    Galileo Telescope
    He builds a telescope to observe the Sun, Moon, planets and stars. Discovering the four moons revolving around the planet Jupiter.

  • Sunspots

    Sunspots
    Galileo published a discussion in support. He supported his phone with a series of detailed engravings of his observations.

  • The Assayer

    The Assayer
    Galileo published The Assayer, a discussion of physical reality-the "book of the universe" and the scientific method of exploring it.

  • The Art of Synthesis

    The Art of Synthesis
    Leo published his book called The Art of Synthesis. Discusses the esoteric and intuitive aspects of astrology, explains planetary correlations with temperament, and provides twelve sample cases.

  • Astrological Logde

    Astrological Logde
    Leo founded the Astrological Lodge of London. It is the foremost learning institution for the study of astrology in all its cultural, astronomical and historical uses in divination.

  • Voyager

    Voyager
    On August 20, the Voyager 2 space probe was launched by NASA to study the Jovian system, the Saturnian system, the Uranian system, the Neptunian system, the Kuiper belt, the Heliosphere and interstellar space.

  • UB-313

    UB-313
    The International Astronomical Union adopted a new definition of planet. A new distinct class of objects called dwarf planets was also decided. Pluto was redefined as a dwarf planet along with Ceres and Eris, formerly known as (2003) UB313.