She was going through puberty and was confused by the changes in her body.

He was the first discoverer of that new species of plant.

He damaged his peroneus tertius muscle due to a foot injury.

He is recognized as the top person in that field.

My grandfather was born in the 1900's.

We have our wedding on the twenty-ninth day of the month.

He achieved the Nine Gates in mahjong.

The Empire of Japan, written as 大日本帝國 in Kyūjitai, was a nation that existed from 1868 to 1945.

The Imperial Japanese Army was a Japanese military force that existed from the Meiji era to the Showa era.

The Imperial Japanese Navy was once the navy of Japan.