The Battle of Caseros was fought near the town of Caseros, Buenos Aires Province, Argentina, on 3 February 1852, between the Army of Buenos Aires commanded by Juan Manuel de Rosas and the Grand Army (Ejército Grande) led by Justo José de Urquiza. The forces of Urquiza, caudillo and governor of Entre Ríos, defeated Rosas, who fled to the United Kingdom. This defeat marked a sharp division in the history of Argentina.