The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.

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.

One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.