Diplomatic efforts Thus Cuza achieved a de facto union of the two principalities. The Powers backtracked, with Napoleon III of France remaining supportive, while the Austrian ministry withheld approval of such a union at the Congress of Paris (18 October 1858); partly as a consequence, Cuza's authority was not recognized by his nominal suzerain, Abdülaziz, the Sultan of the Ottoman Empire, until 23 December 1861. Even then, the union was only accepted for the duration of Cuza's rule.
Diplomatic efforts Thus Cuza achieved a de facto union of the two principalities. The Powers backtracked with Napoleon III of France remaining supportive, while the Austrian ministry withheld approval of such a union at the Congress of Paris (18 October 1858); partly as a consequence, Cuza's authority was not recognized by his nominal suzerain, Abdülaziz, the Sultan of the Ottoman Empire, until 23 December 1861. Even then, the union ,was only accepted for the duration of Cuza's rule.