Dai Nihon Shiryo is a historical collection of documents and materials that focus on Japan's history and culture. Compiled during the late 19th and early 20th centuries, it serves as a valuable resource for researchers and historians interested in understanding Japan's past. The collection includes various types of documents, such as government records, letters, and reports. The project was initiated by the Meiji government to preserve and promote Japan's historical heritage. It aims to provide insights into the political, social, and economic aspects of Japanese life during different periods. Today, Dai Nihon Shiryo remains an important reference for those studying Japanese history.