The Taisho period, which lasted from 1912 to 1926, was marked by political instability and social change, including the rise of labor unions and women's rights movements.

Japan's victory over Russia in the Russo-Japanese War of 1904-1905 was the first time an Asian power had defeated a European power in a modern war.

The Japanese government has implemented various policies and incentives to promote the development and adoption of eco-friendly vehicles, such as tax breaks and subsidies.