era, date of reference, epocha, period, epochality, subepoch, day and age, uchronia, old days, our era, more...

contemporary, modern, current, present, recent

Holocene, Pleistocene, Pliocene, Miocene, Oligocene, Eocene, Cretaceous, Jurassic, more...

new, great, present, same, historical, glacial, important, second, earlier, particular, whole

long time periods,   long period of time,   new era,   epic story,   geologic time unit,   epic tale,   end of an era,   very long period,   important times,   changing times