The Greeks build the world's first underground aqueduct, the Tunnel of Eupalinos, on the island of Samos
The tunnel is the second known tunnel in history which was excavated from both ends and the first with a geometry-based approach in doing so.
6th Century B.C.E.
Confucius, a great Chinese philosopher, is born
Confucianism is a philosophical system encompassing ideology, culture and academia, brought together by Confucius, then followed and developed by successive generations of his disciples over the past 2,500 years.
Thales of Miletus becomes first human to predict a solar eclipse
If the account is true, it has been suggested that Thales would have had to calculate the timing of any eclipse by recognizing patterns in the periodicities of eclipses. It has been postulated that Thales may have used the Saros cycle in his determination