Pleistocene and Holocene, for two

Usage examples of epochs.

Still less do we know of the mutual relations of the innumerable inhabitants of the world during the many past geological epochs in its history.

Even the new religions which were born from time to time--always at epochs when the mutual-aid principle was falling into decay in the theocracies and despotic States of the East, or at the decline of the Roman Empire--even the new religions have only reaffirmed that same principle.

To think that a man as shrewd, as subtle-minded, as quick-witted, and adroit as himself--a man who had passed through so many troubled epochs, who had served with the same obsequious countenance all the masters who would accept his services--to think that such a man should have been thus duped and betrayed!

Thaggoran lived daily in contact with the epochs gone by, and it was that, he believed, which sustained and preserved him: that knowledge of the past cycles of the world, that connection with the greatness that had flourished in the bygone days of warmth.

Whole epochs of life would rise and fall, remembering nothing of the last Long Winter that the great cycle had brought, knowing nothing of the next catastrophe that lay far in the future.

But now at last, as they took seats opposite one another in the crowded car, they seemed to have drifted infinite distances and long epochs asunder.