Complex sentence: He assumed the post in October 1880 and as Preacher General, was assigned parish priest of the nearby Santa Cruz district in present-day Manila, assuming the post in February 1881.
Split into simpler sentences: He assumed the post in October 1880 and as Preacher General, he was assigned parish priest of the nearby Santa Cruz Parish in the modern-day Sta. Cruz, Manila, assuming the post in February 1881.