The Battle of Caseros was fought near the town of Caseros, more precisely between the present-day railway stations of Caseros and Palomar (the actual battlefield is now occupied by the Colegio Militar de la Nación (National Military College), a military academy) in 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. As provisional Director of the Argentine Confederation, Urquiza sponsored the creation of the Constitution in 1853, and became the first constitutional President of Argentin