Montevideo Naval Division

{{Main|Platine Wars|Thirty-Three Orientals|Great Siege of Montevideo}}

With independence of Paraguay and Uruguay was secured, and the planned Argentine invasion of Rio Grande do Sul was blocked.{{sfn|Golin|2004|pp=42, 43}} In a period of three years, Brazil had destroyed any possibility of reconstituting a state encompassing the territories of the old Viceroyalty of the Río de la Plata, a goal cherished by many in Argentina since independence.{{sfn|Lyra 1977, Vol 1|p=164}}

Brazil's army and fleet had accomplished what the United Kingdom and France, the great powers of that time, had not achieved through interventions by their powerful navies.{{sfn|Calmon|2002|p=195}} This represented a watershed for the history of the region, ushering in Brazilian hegemony over the Platine region.

Once the political situation and territorial threats in the La Plata Basin stabilized in the 1870s, Uruguay ceased to be a matter of political concern for Brazil.{{sfn|Doratio|2014|p=59}} On the other hand, the region also lost economic importance, as the internal agricultural frontier expanded and also Brazil's domestic industry, greatly benefited during the war years.{{sfn|Doratio|2014|p=60}} The Naval Division was disbanded in 1876.

In 1869, the Divisão Naval de Montevidéo was composed of:{{cite web |author= |date=1870 |title=Almanak da Marinha |url=https://memoria.bn.br/pdf/828807/per828807_1870_00013.pdf |url-status=live |location=Município Neutro |archive-url=https://web.archive.org/web/20220520233240/http://memoria.bn.br/pdf/828807/per828807_1879_00020.pdf |archive-date=20 May 2022 |access-date=4 January 2022}}

• Alto Uruguay Flotilla

{{reflist}}

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}}

Category:Naval units and formations of Imperial Brazil

Category:Military units and formations established in 1851

Category:Military units and formations disestablished in 1876