The Allied occupation of Japan following World War II brought about major political and social changes, including the drafting of a new constitution and the abolition of the samurai class.

Karate, another martial art that originated in Japan, has also become a popular sport and is practiced by millions of people around the world.

Attack on Titan, created by Hajime Isayama in 2009, is a popular anime and manga series that takes place in a world where humanity lives in fear of giant humanoid creatures known as Titans.