Japan is a constitutional monarchy, with the Emperor as a symbolic head of state and the Prime Minister as the head of government.

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

The Melancholy of Haruhi Suzumiya, created by Nagaru Tanigawa in 2003, is a popular light novel series and anime that explores themes of existentialism, time travel, and alternate realities.