Complex sentence: On June 18,2003, the city council unanimously approved a resolution adopting "the City of Roses" as the city's official nickname, and many Portland businesses have incorporated "Rose City" into their names.
Split into simpler sentences: On June 18,2003, the city council unanimously approved a resolution adopting "the City of Roses" as the city's official nickname. Many Portland businesses have incorporated "Rose City" into their names.