era, aeon, utopian socialism, millennium, civilization, industrial revolution, dawning, revolution, annus mirabilis, prefiguring, medievalism, apogee, babylonian captivity, hadean, kaliyuga, presentiment, noosphere, millenium, great proletarian cultural revolution, meiji restoration, demiurge, profounder, mankind, ptolemaic, weimar republic, prehistory, glorious revolution, transfiguration, birth pangs, millenarianism, constructivism, perestroika, palaeolithic, zenith, conjuncture, caesarism, abiogenesis, renascence, hellenized, historiography, interglacial, cataclysm, feudalist, humankind, atomic age, advent, eschaton, adolf loos, risorgimento, cretaceous period, atavism, yuan dynasty, mesozoic era, parliamentarianism, apotheosis, anunnaki, contemporaneity, christianisation, catastrophism, millennial, han dynasty, dark ages, liberatory, hegelian, protestant reformation, dialectical materialism, royalism, minoan civilization, paradigm shift, cosmogony, ascendence, monism, counter reformation, antecedence, seljuk, originary, codifier, bolshevism, beginnings, cambrian period, pliocene epoch, transhuman, devonian period, forbearer, gautama buddha, upper paleolithic, dialectics, hesiod, paradigm, industrialism, bonapartism, autumnal equinox, evanescence, history, paris commune, interregnum, homo sapiens sapiens, teleology, protagoras, anno domini, heroic age, transmogrification, epochs, eras, period, aera, times, generations, ages, date, decade, cf, decades, incarnation, milestone, stage, avatar, chapters, cantos, generation, ic, =, interval, ~, .., a., j, var, abscissa, |, \u00a7, compute, exact, prechristian, same, tuple, <, a, conjectured

age, christian era, common era, day, eocene, eocene epoch, glacial epoch, historic period, holocene, holocene epoch, miocene, miocene epoch, oligocene, oligocene epoch, paleocene, paleocene epoch, pleistocene, pleistocene epoch, pliocene, recent epoch

epoch-making, genus proconsul, paleo-american, paleo-amerind, paleo-indian

geological period

amount of time, geological time, geologic time, period of time, time period

date of reference