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Events on Tuesday 12 August 1806 1
1806British occupation of Buenos AiresBritain briefly seizes the Spanish colonial capitalBritish forces under William Beresford captured Buenos Aires on 25 June 1806 during an unauthorized expedition against Spain's South American colonies. Local militia and Spanish colonial troops recaptured the city on 12 August 1806, forcing a British surrender. The episode spurred the growth of local self-reliance that fed later independence movements.