My grandfather studied medicine at the Imperial University.

The Mongol Empire reached its peak in the 13th century, and its territory extended from Europe to Asia.

The Imperial Valley is a beautiful place in California.

The government declared a state of emergency to prevent the spread of the new coronavirus.

He is conducting research on historical kana usage.

Revisionism aims to change our understanding of past events.

The Austro-Hungarian Empire was a dual monarchy that once existed in Central Europe.

The history of the British Empire occupies a particularly important part in world history.

The history of the Empire of Japan is very interesting.

The Imperial Japanese Navy and Army were a powerful military force in Japan.