FTP, name this opponent of Peter the Great, a rash young king who presided over the decline of Sweden.
Late in life, he was forced to surrender Stralsund and Wismar and conspired with the Jacobites before meeting his death at the siege of Fredrikshald.  His most prominent successes, including the battle fought at Bendery in Moldavia and an attack on Zealand, were at the expense of his cousins, Augustus II of Poland and Frederick IV of Denmark.  He rode across Germany to Pomerania in disguise to escape his five years of captivity in Turkey, where he had been forced to flee after his partnership with the Ukrainian Cossack Mazeppa went wrong at the battle of Poltava.  FTP, name this opponent of Peter the Great, a rash young king who presided over the decline of Sweden.
Late in life, he was forced to surrender Stralsund and Wismar and conspired with the Jacobites before meeting his death at the siege of Fredrikshald.  
Charles XII