The oil crisis of the 1970s had a major impact on Japan's economy, leading to increased focus on energy conservation and alternative sources of energy.
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.
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.
