the insurgent chief Victor Manuel. In June 1816, he defeated at San Pedro to troops of Marshal Avila, seizing all of his artillery, munitions, and armaments. He was placed in charge of the district of Tecpan and later the government of Acapulco which was then being administered by the military. He remained at this post until November 1817. He was then sent to relieve the siege of Jaujilla and fought a battle at the river of Zacatula where the opposing armies had entrenched themselves on the opposite shore. He was named principal commandant of the Tierra Caliente until September, 1819. He was in command of forces during the retreat from Tupataro, after which he led his troops to relieve forces at Ajuchitlan. He was present when the Fort of San Gaspar was take in October 1819, after which he returned to his administrative post at Acapulco. The war had mostly died down at this point. Herrera had now reached the rank of Lieutenant Colonel and asked to be relieved of his military duties. This being granted he moved to Perote and opened an apothecary. It was during this time when Herrera a had resumed life as a civilian that Agustin de Iturbide proclaimed the Plan of Iguala, which attempted to unite both insurgents and Spanish loyalists through its intentions of establishing an independent Mexican kingdom led by a member of Spanish royalty. Iturbide needed more officers and as his forces passed through Perote, lieutenant colonel Herrera was asked to join them. He refused at first, but Iturbide persisted and Herrera joined on the condition that everything proceed with the utmost order and discipline. Herrera's forces now marched to Tepeyahualco and San Juan de los Llanos where his Column of Grenadiers assumed the name of Imperial Grenadiers. Herrera was elevated to effective lieutenant colonel. The towns of Orizaba and Cordova proclaimed for the Plan of Iguala and Herrera was sent to support them, being joined by Santa Anna. Orizava was officially taken on April 1, 1821, from which Herrera then returned to Cordova where he took a forced loan for twenty five thousand pesos. From there he passed into Puebla to aid Nicolas Bravo and reached Tepeaca, where he fought the royalist Hevia who pursued Herrera back to Cordova beginning the Battle of Cordoba. The battle which took the form of a siege, however was abandoned after Hevia was killed. Herrera