Kamakura Udaijin is the courtesy name of Minamoto no Sanetomo.

I love period dramas.

He survived through the Dark Ages.

That movie contained many anachronistic elements.

He devoted his youth to baseball.

This piece of art reflects the zeitgeist of its time.

The Age of Enlightenment was a period when science and reason were emphasized.

Life in the Stone Age was greatly different from today.

New age technology is greatly changing our lives.

The ruins of the Iron Age are an important clue to understanding the life of that era.