Ancient Europeans wrote about Ages of Man:
Ages of Man - Wikipedia, the free encyclopedia
There are also many other references to various
types of world ages or Ages of Man in Hopi
(worlds), Mayan (suns) and other cultures of
antiquity. Giorgio de Santillana, the former
professsor of the history of science, mentions
approximately thirty ancient cultures that
believed in the concept of a series of ages and
the rise and fall of history, with alternating
Dark and Golden Ages.
More information is available in the Hindu concept of Yugas:
Yuga - Wikipedia, the free encyclopedia
Satya Yuga - Wikipedia, the free encyclopedia
The present age is called Kali Yuga, the age of darkness.
Evil will be at its highest during this age.
However, there is hope. One Indian visioner wrote that
crime rate in the world will reduce to 40% of its present
level in about two decades from now:
"From 2010, winds of spiritualism will blow across the
entire world, awakening more and more people in its wake. Where limits
of (modern) science end, spiritualism begins. .... Along with scientific
progress, intellectuals will start recognizing the importance of
spiritualism. .... From 2050, a new era will begin...."
Swami Dattavadhut, Prophecies 1998 to 2100, Vanita Books,
Mumbai, 1997, pp. 33-42.