The Siege of Roses ( or Siege of Rosas ) began Process_start on 28 November 1794 and lasted Process_end until 4 February 1795 when the Spanish garrison abandoned GiveUp the port and the forces of the First French Republic took control .

The Siege of Roses or Siege of Rosas from 7 November to 5 December 1808 saw an Imperial French corps led by Laurent Gouvion Saint-Cyr invest a Catalan and Spanish garrison commanded Control by Peter O'Daly .

After a siege Besieging lasting a month in which the haven and town of Rosas was captured Conquering and the nearby Trinity Castle invested by over 13,000 French and Italian infantry , artillery and cavalry with heavy siege trains on the hills above , the Citadel was surrendered Surrendering to the Napoleonic forces .

Roses ( Rosas ) is located northeast of Girona ( Gerona ) , Spain .

The first obstacle to Gouvion Saint-Cyr 's mission was the haven of Rosas defended Defending by a large citadel with sea approaches defended Defending by a headland castle .

Rosas backed the Uruguayan Blanco party in this conflict , and further desired to extend Expansion Argentine borders to areas formerly occupied Control by the Spanish Viceroyalty of the Río de la Plata .

Brazil actively pursued Aiming ways to eliminate Removing the threat from Rosas .

Faced with an offensive alliance against his regime , Rosas declared Expressing_publicly war on Brazil .

Allied forces first advanced Cause_to_make_progress into Uruguayan territory , defeating Conquering Rosas ' Blanco party supporters led by Manuel Oribe .

Afterwards , the Allied army was divided , with the main arm advancing Cause_to_make_progress by land to engage Participation Rosas ' main defenses and the other launching Process_start a seaborne assault directed at Buenos Aires .

With Rosas gone , Argentina began Process_start a political process which would result in a more unified state .