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

Japan has a highly developed public transportation system, including bullet trains (Shinkansen) that can travel up to 320 km/h (200 mph).

The sushi conveyor belt, invented in the 1950s, revolutionized the way sushi is served in restaurants and made it more accessible to the average person.