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

New age technology is greatly changing our lives.

The stories of the Heroic Age in Greek mythology always fascinate me.

This town once experienced a golden age, achieving many advancements and accomplishments.

According to Greek mythology, the Golden Age was a time when people enjoyed peace and prosperity.

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

During the Ice Age, the climate of the Earth changed significantly.

The Heian period was a time when Japanese culture developed greatly.

The Ashikaga era is a part of Japanese history.

The Kamakura period was a very important time in Japanese history.