The 1995 Tokyo subway sarin gas attack by the Aum Shinrikyo cult shocked Japan and led to increased scrutiny of religious groups.

Natto, a fermented soybean dish that is known for its strong odor and slimy texture, is a popular Japanese food that is often eaten for breakfast.

During the Edo period, which lasted from the 17th to the mid-19th century, Japan was ruled by the Tokugawa shogunate and experienced a period of peace and stability.