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.

The Japanese green pheasant, also known as the "kiji," is the national bird of Japan and is often depicted in Japanese art and folklore.

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