Ancient people believed that the east was the most sacred direction.

Mr. Higashi is my best friend.

He is interested in toponymy.

He has a deep interest in toponymy.

His toponymic surname indicates the region from which his family originates.

I want to go to Mongolia.

He recognizes the importance of oral history.

He interprets world events from a historicism perspective.

He is a famous historian and has written many history books.

He is trying to hide his embarrassing past.