Matsuyama is a city located on the island of Shikoku, and is known for its historic castle, hot springs, and literary history.

The Japanese yen is the official currency of Japan and is the third most traded currency in the world, after the US dollar and the euro.

The Taisho period, which lasted from 1912 to 1926, was marked by political instability and social change, including the rise of labor unions and women's rights movements.