The electric guitar, invented by Fujigen Gakki in the 1950s, has become a staple instrument in popular music worldwide.

The Japanese macaque, also known as the snow monkey, is the northernmost-living non-human primate and is famous for its habit of bathing in hot springs during the winter.

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