Complex sentence: In August 30,1834, Elquezabal was appointed Interim Governor of Texas by the City Hall of Monclova, Coahuila, remaining the charge until Agustín Viesca was appointed as new official Governor of Texas, leaving the charge in May 12,1835.
Split into simpler sentences: In August 30,1834, Elquezabal was appointed Interim Governor of Texas by the City Hall of Monclova, Coahuila. He remained in charge until Agustín Viesca was appointed as new official Governor of Texas, leaving the charge on May 12,1835.