Prince Harry, Duke of Sussex, is a British royal, former military officer, and advocate for mental health, environmental causes, and humanitarian initiatives.
Charles X Gustav was a Swedish monarch who reigned from 1654 to 1660, leading his country through significant military and diplomatic victories.
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.