Complex sentence: The City Hall of University City, Missouri, the seat of municipal government for University City, Missouri, was built in 1903 as the "Women's Magazine Building", the headquarters of a magazine publishing company, and became a city hall in 1930.
Split into simpler sentences: The City Hall of University City, Missouri, the seat of municipal government for University City, Missouri, was built in 1903 as the headquarters of a magazine publishing company. Built as the "Women's Magazine Building", it became a city hall in 1930.