The Mayans, the Aztecs, the Toltecs, the Navajo, the Lakota and the ancient Hawaiians. Dozens and dozens of those who are now extinct, knew, that the new Era has arrived to humanity 21.12.2012.
Ancient people did not surely discuss with each other. They just knew intuitively the truth.
(We cleared the test because of the collapse of the Soviet Union 1991. Saved us from World War three and total destruction)
"Master Physicist" gave us 144,000 years to go.
About 100,000 years ago humanity was seeded by Pleiadians. We still have time to develop.
The ancient Egyptians constructed pyramids using their high consciousness and elegant 12-based
math of the Universe, in ways we do not understand today.
Ancient people did not have telescopes, microscopes or computers. However they intuitively knew the secrets of the Universe. The Sumerians
were aware of the Saturn`s rings. The Dogons in Africa knew amazing issues.
See Wikipedia link (Having typical derogatory
comments, mythology etc., people of those times were as wise as we are - even wiser)
Todays astronomical knowledge
Astrology, the oldest science of the Earth, started probably in Sumeria. Our science says astrology to be Pseudoscience, even though the very basic knowledge is Nobel -awarded.
Read more about Astrology