Hermann von Salza was a prominent Grand Master of the Teutonic Knights from 1210 to 1239. He played a crucial role in expanding the order's influence in Eastern Europe, particularly in Prussia and Livonia. His leadership helped establish the Teutonic Knights as a significant military and political force during the Crusades. Under Hermann's guidance, the Teutonic Knights formed alliances with various rulers, including the Holy Roman Empire. He was known for his diplomatic skills, which allowed him to navigate complex relationships with neighboring states. His tenure marked a period of growth and consolidation for the order, leaving a lasting legacy in the region.