The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

Ghost in the Shell, created by Masamune Shirow in 1989, is a popular anime and manga series that explores themes of cybernetics, artificial intelligence, and the nature of humanity.

The Mongol invasions of Japan in the 13th century were repelled by a combination of strategic planning and a typhoon that destroyed the invading fleet.