Osaka is Japan's third-largest city and a major commercial and industrial hub, with a population of over 19 million people in the greater Osaka area.

Judo, a martial art that emphasizes throws and grappling techniques, was developed in Japan in the late 19th century and has become a popular sport around the world.

The Nintendo Entertainment System (NES), invented by Nintendo in 1985, revolutionized the video game industry and introduced many classic games and characters.