Original sentence: In October, 1915, the school district began the process of selling $US50,000 in bonds for the purpose of expanding the school.The addition was completed in 1916, and included a gymnasium, auditorium, and library.The fieldhouse, including a swimming pool, was completed in 1938
Edited sentence: <ref>  The fieldhouse, including a swimming pool, was completed in 1938.In October, 1915, the school district began the process of selling US$50,000 in bonds for the purpose of expanding the school