Katsuobushi, a type of dried and smoked tuna that is often used to flavor dishes and is a key ingredient in dashi.

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.

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