Abstract
This study examining the process of Wallachian and Moldavian unification under one single ruler, which had previously remained under the authority of the Ottoman State for many years, the developments starting from the Crimean War and lasting between 1853-1856 are analyzed. The 1856 Paris Peace Treaty, the subsequent diplomatic relations and the elections in parallel with these relations led to the unification of Wallachia and Moldavia. The enthronement of Alexandru Ioan Cuza, the first voivode of the united principalities, his visit to the Ottoman capital afterwards in 1860 and the short-term outcomes of this visit represent the theme of this study.

Key words: Ottoman State, Wallachia, Moldavia, Romania, Alexandru Ioan Cuza