The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.

Japan has a tradition of wrapping gifts in cloth called furoshiki, which can be reused and is more environmentally friendly.

The Japanese giant hornet is the world's largest hornet and is known for its aggressive behavior and painful sting.