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

Fullmetal Alchemist, created by Hiromu Arakawa in 2001, is a popular manga and anime series that explores themes of science, magic, and the consequences of human ambition.

Sumo wrestling is a traditional Japanese sport that has been practiced for over 1,500 years and is still popular today.