The Edo period in Japan was a time when culture and art greatly developed.

The culture of the Nara period played a very important role in Japanese history.

He survived through the Dark Ages.

I love period dramas.

According to the law on specified alien species, the import of certain organisms is prohibited.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

He is doing a special exercise to strengthen his extensor indicis.

The Paleolithic is the first era of human history.

The Bronze Age was an important period in human history.

The Neolithic was an important period in human history.