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

The Great Kanto Earthquake of 1923 caused widespread destruction in Tokyo and killed over 100,000 people.

Akira, directed by Katsuhiro Otomo in 1988, is a classic anime film that helped to popularize the cyberpunk genre of science fiction.