Complex sentence: The firm's projects included the Hawthorn Hill home for the Wright brothers, Dayton Young Men's Christian Association Building, and designed the Engineers Club of Dayton building in 1916, it was completed in early 1918.
Split into simpler sentences: The firm's projects included the Hawthorn Hill home for the Wright brothers, Dayton Young Men's Christian Association Building, and the Engineers Club of Dayton building. The Engineers Club of Dayton building was designed in 1916, and completed in early 1918.