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.
The Japanese crested ibis, also known as the "toki," is a critically endangered bird that is native to Japan and is considered a symbol of good luck.
The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.
