the Meiji Restoration

Meiji Shrine (Shinto shrine in Tokyo enshrining the Emperor Meiji)

(historical) a national holiday of the Empire of Japan based on the birthday of Emperor Meiji

period drama

a historical period where social disorder is so great due to war, disease, political disorder etc. that there is little or no cultural development; Dark Ages

anachronism

youth (part of life following childhood)

zeitgeist (the spirit of the age)

Age of Enlightenment (period of history)

(archaeology) the Stone Age