He is interested in the culture of foreign countries.

He is from a grand duchy.

He was fascinated by the beautiful scenery of the southern country.

My grandfather was born in Russia.

I want to go to Uenokuni.

Japan adopted a policy of national isolation during the Edo period.

He is conducting research on historical kana usage.

Revisionism aims to change our understanding of past events.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

I'm sorry, but I don't speak Japanese.