Diplomatic and Consular Relations Relations with Independent States United Kingdom of Great Britain and Ireland Russia Belgium Denmark Kingdom of the Two Sicilies Ottoman Empire Parma Portugal Spain Switzerland Tuscany France Austria Brazil Kingdom of Sweden and Norway Netherlands Papal States Persia Sardinia States of the German Confederation (except the Austrian Empire) United States of America Relations with non-Independent States and Regions of that era Algeria Egypt Principalities of Moldavia and Wallachia Principality of Serbia Cyprus Malta Principality of Samos United States of the Ionian Islands
