Frederick William III was the King of Prussia from 1797 until his death in 1840. He is often referred to as Friedrich Wilhelm III or simply FW III. Other synonyms for Frederick William III include "The Patriot King" due to his efforts to modernize and industrialize Prussia and his strong opposition to Napoleon Bonaparte. Another synonym is "The King of the Coal and Steel" due to his successful expansion of the iron industry in the region. Despite his strong leadership and significant contributions to Prussian history, Frederick William III is often criticized for his failure to prevent the Napoleonic Wars and his inability to modernize Prussia's political system.