The Sail and Iron Cavalry of the Tang Empire

A historian from modern times accidentally traveled to the Tang Dynasty and became a high-ranking official with power. After experiencing war, turmoil and frustration, he was determined to change history, prevent the separatism of vassal towns, promote institutional reform, and embark on a great adventure across continents and oceans. Relying on modern knowledge, he led the Tang Dynasty to complete the innovation of navigation technology and establish a powerful maritime trade empire. From Southeast Asia to the Atlantic Ocean, the flag of the Tang Dynasty was flying in the new world, and the exchange of wealth, culture, and technology brought endless possibilities. However, contradictions between the central and local governments, tradition and innovation, peace and war also ensued. In this historical torrent, the forces of the old era are secretly competing for each other, the power of local vassal towns is rising day by day, and the maritime empire is also facing the huge challenge of foreign invasion. Can the protagonist resolve the crisis through his own knowledge and wisdom and lead the Tang Dynasty to a new dawn? This is not only an innovation of the system, but also a test of the nation and the times.