Kitakyushu is a major industrial city in southwestern Japan, located on the island of Kyushu, and is known for its steel and automotive industries.

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.

The computer mouse, invented by Ken Kutaragi in the 1980s, has become a standard input device for personal computers worldwide.