Louis II of Flanders was a notable medieval ruler who reigned from 1346 to 1384. He was the son of Louis I of Flanders and Margaret III of Flanders. His rule is marked by efforts to strengthen the economy and maintain peace in the region, which included the prosperous cities of Bruges and Ghent. During his reign, Louis II was involved in various political alliances and conflicts, including the Hundred Years' War. He was known for his patronage of the arts and architecture, contributing to the cultural development of Flanders. His legacy includes the continued importance of Flanders as a center of trade and culture in medieval Europe.