The Walkman, invented by Sony in 1979, revolutionized personal music listening by allowing users to listen to music on the go.

The Nintendo Entertainment System (NES), invented by Nintendo in 1985, revolutionized the video game industry and introduced many classic games and characters.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.