1ro of October of that same year, signs " Treaty of San Ildefonso" , in that Portugal definitively recognizes the rights of Spain on all this region. The 5 of March of 1807 English they seize of the Colony until August ends. At this moment " Adjutant Don Jose Artigas" (Uruguayan national hero) internamente he internamente exerts the command until the 15 of February of 1811, date in which Parish priest lets Colony to adhere to the Revolution of May in Argentina, accompanied by Cura Jose Maria Enrquez of the Pain, and a group of patriotic colonienses. Few months later, Colony of the Sacrament, is occupied by patriotic forces to the control of Venancio Benavides and Viera. In 1815, the future head of " The 33 Orientales" , Juan A. Lavalleja, is appointed Commander by Artigas. In 1818 he is occupied by the Portuguese Imperial forces, being part of the Cisplatina Province. In 1822, after the 7 of September, he is incorporated to the Brazilian empire.
Until in February of 1826 again Brown is bombed by the Argentine army to the control of Admiral Guillermo. This, who from 1814 has very important properties in the near city and its earth, he destroys part of his own house, trying to evacuate the invaders, without managing to overcome them. The 2 of December of 1828, the Colony of the Sacrament is given to the Eastern forces by " Preliminary convention of La Paz ". The support of the English, the traffic of slaves and the contraband, place to our city in a privileged position passing to be one of the most disputed; here many powers took part, fighting by this " seven stone end accompanied by islas". In 1845 during the call " Grande" war; , Jose Garibaldi seizes of Colony and the Island Martin Garci’a.