The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/United_Principalities" id="mwbA" rel="mw:WikiLink" title="United Principalities">United Principalities of Moldavia and Wallachia</a> (later named Romania) is formed as a personal union under the rule of Domnitor <a href="https://en.wikipedia.org/wiki/Alexandru_Ioan_Cuza" id="mwbQ" rel="mw:WikiLink" title="Alexandru Ioan Cuza">Alexandru Ioan Cuza</a>.