Complex sentence: Rosales was consecrated bishop of the titular see of Oescus in a ceremony on October 28,1974, and in 1980, was appointed rector of the archdiocesan major seminary, San Carlos Seminary.
Split into simpler sentences: Rosales was consecrated bishop of the titular see of Oescus in a ceremony on October 28,1974. In 1980, he was assigned as rector of the archdiocesan major seminary, San Carlos Seminary.