Era
1335-12-01 was the first day of the Coto Era in Japan, which was a period of peace and prosperity that lasted from 1335 to 1573. The Coto Era was marked by flourishing cultural and economic development, making it a prosperous period in Japanese history. During the period, the development of agriculture, the introduction of irrigation techniques, expansion of trade and commerce, and the emergence of powerful samurai clans such as the Oda, Asakura, and Hosokawa, greatly strengthened the social and political structure of Japan.