Dragon Ball, created by Akira Toriyama in 1984, is one of the most popular and influential anime franchises of all time, and has inspired numerous spin-offs, video games, and merchandise.

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

In the 12th century, the samurai class emerged in Japan, with warriors serving as protectors for the aristocracy.