 On July 13 of that year Gen. Jose Urrea bolted out of jail and led a rebellion against President Anastacio Bustamante, who was later imprisoned in the presidential residence.General Gabriel Valencia then ordered all troops loyal to the President to proceed at once to the city citadel.These included the cadets of the Military College under its then director Brigade General Pedro Conde, who was received by Gen. Valencia and sent a delegation of cadets to the citadel.