Around 3300 B.C. the Babylonians (also known as the Chaldeans) began expanding upon what the Sumerians started, developing the first astrological system over thousands of years.
We work with the Western astrology system, which dates back thousands of years. Humans have tracked the movement of the heavens since civilization dawned. As far back as 6000 B.C., the Sumerians noted the journeys of planets and stars. Around 3300 B.C. the Babylonians (also known as the Chaldeans) began expanding upon what the Sumerians started, developing the first astrological system over thousands of years. They created the zodiac wheel that we use today (with planets and houses) around 700 B.C. The oldest known horoscope chart is believed to date to 409 B.C.!