Japan invaded Manchuria in 1931, which marked the beginning of its aggressive expansion in Asia prior to World War II.

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

During the Edo period, which lasted from the 17th to the mid-19th century, Japan was ruled by the Tokugawa shogunate and experienced a period of peace and stability.