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

The Melancholy of Haruhi Suzumiya, created by Nagaru Tanigawa in 2003, is a popular light novel series and anime that explores themes of existentialism, time travel, and alternate realities.

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