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

The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.

Astro Boy, created by Osamu Tezuka in 1963, is considered the first modern anime and helped to popularize the genre both in Japan and around the world.