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 high-tech toilet that can analyze your urine and give you health advice.
Miso soup, a soup made with fermented soybean paste, is a popular Japanese dish that is often served as a side dish.