(historical) Tokugawa, a family name, notably of Tokugawa Ieyasu, a famous Edo period shogun, founder of the Tokugawa shogunate

part, portion / copy of a newspaper or book

history / the study of history

age, era, period (of time) / the times, spirit of the age / antiquity / a time in one's life, one's days (in college etc.)

the whole story, all of the details

Short for 日本国 (Nihon-koku): Japan (a country and archipelago in East Asia) / a surname

Japan

(archaic) Japan

historic, historical / already-happened, past / former, old, traditional

historian