Governor of Montevideo
The office of Governor of Montevideo was created shortly after the Treaty of Madrid in 1750 by Ferdinand VI of Spain , with the objective of establishing more effective control of the "Banda Oriental" ( left bank ) area of the Río de la Plata , present day Uruguay . 
<triplet> Treaty of Madrid <subj> 1750 <obj> point in time <triplet> Río de la Plata <subj> Uruguay <obj> country