The Japanese yen is the official currency of Japan and is the third most traded currency in the world, after the US dollar and the euro.

The sika deer is a common species of deer found throughout Japan, and is considered sacred in Japanese Shintoism.

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