The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

Dashi, a type of stock made from fish and seaweed, is a key ingredient in many Japanese dishes and is often used to add flavor and umami.

The Shinto religion, which emphasizes the worship of nature and ancestors, is indigenous to Japan and is still practiced by many people today.