Vauban vs Yi Seong-gye

Vauban directed the siege of Maastricht for Louis XIV. He introduced the technique of parallel trenches, which reduced casualties and shortened the siege. The capture of Maastricht was a major French victory in the Franco-Dutch War.

Vauban conducted the siege of Ath in the Spanish Netherlands. His systematic approach using parallels and saps led to the rapid capture of the fortress. The siege demonstrated the effectiveness of his methods.

Vauban designed and built the fortress of Neuf-Brisach, a model of his third system of fortification. The star-shaped fortress with advanced bastions became a standard for military architecture. It was built to protect the French border after the Treaty of Ryswick.

Vauban published his treatise on siegecraft, systematizing his methods. The work became a standard military textbook in Europe. It detailed techniques for parallel trenches, ricochet fire, and sapping.

Vauban proposed a radical tax reform called the 'D

Yi Seong-gye led Goryeo forces against Japanese pirates (wokou) at the Battle of Hwangsan. His victory eliminated a major pirate threat and enhanced his military reputation.

Yi Seong-gye turned his army back at Wihwado Island rather than invade Ming China as ordered by the Goryeo court. This act of defiance led to a coup that eventually brought him to power.

Yi Seong-gye overthrew the Goryeo dynasty and founded the Joseon dynasty, becoming King Taejo. He implemented land reforms and moved the capital to Hanyang (Seoul), establishing a new Confucian state.