Edward II, son of Edward I, was the English king who reigned from 1307 to 1327, remembered for his tumultuous rule and military failures.
Charles X Gustav was a Swedish monarch who reigned from 1654 to 1660, leading his country through significant military and diplomatic victories.
Charles VI, the Mad, was a King of France whose reign was marked by mental illness and political turmoil.
Frederick William III was the King of Prussia from 1797 to 1840, leading the nation through the tumultuous Napoleonic Wars and initiating significant administrative and social reforms.