Editing Norwood, Ohio (section)

===Industrial and infrastructure growth===
According to a survey of historical records by the [[Works Progress Administration|WPA]], there were 47 factories in operation in Norwood by 1919.<ref name="Historical Dates for Norwood, Ohio. 1910s" />

In 1920, construction started on the [[Cincinnati Subway]] in downtown Cincinnati. The original plan was for a 16-mile loop to connect downtown with Norwood. Several subway tunnels were completed in Norwood. As subway construction continued into the late-1920s, the city experienced economic hardships and eventually abandoned the project in 1928, leaving the partially finished subway abandoned.<ref name="Historical Dates for Norwood, Ohio. 1910s" />

During the early-20th century, Norwood generated its own electricity at a municipal electric facility. In 1920, Norwood sold the facility and electrical distribution system to [[Cincinnati Gas & Electric Company]], allowing CG&E to provide electrical services to the city.<ref name="Historical Dates for Norwood, Ohio. 1910s" />

[[File:Norwood Ohio Market House Farmers Market Circa 1910.jpg|thumb|left|The Norwood Market House has stood at the corner of Mills Avenue and Walter Avenue next to Victory Park since about 1905. This photo was taken around 1910 when the building was still used as a farmers market.]]

In 1922, [[General Motors]] purchased {{convert|50|acre|m2}} of land to construct the {{convert|3000000|sqft|m2|-3}} [[Norwood Assembly]] automobile plant. This property was previously a large community park known as Norwood Park. The Norwood Assembly Plant produced General Motors cars between 1923 and 1987. The GM plant became the dominant employer in Norwood, with nearly 9,000 workers during its peak in the 1970s. It also contributed approximately 35% of the City of Norwood's tax base.{{citation needed|date=September 2023}}

To promote the popularity of the card game, [[Bridge game|bridge]], the [[United States Playing Card Company]] established a radio station in 1922 at their factory with the call letters [[WSAI]]. Bridge experts played the game on the air and provided instruction to listeners. In 1926, the company built a bell tower atop the main factory building. The sounds of the bells were frequently broadcast on the station. The company operated WSAI in Norwood until it was sold to [[Crosley Broadcasting Corporation]] in 1928.<ref name="Bicycle Cards – Our History">{{cite web|url=http://www.bicyclecards.com/article/our-history/ |title=Bicycle Cards – Our History |publisher=United States Playing Card Company |access-date=5 May 2016}}</ref>

In an effort to improve Duck Creek Road, Norwood encased the Duck Creek waterway in a concrete aqueduct in 1923. The creek bed was filled in and all bridges spanning the waterway were removed. Most of Duck Creek road was later eliminated with the construction of Interstate 71 in the late-1960s.<ref name="Historical Dates for Norwood, Ohio. 1920s">{{cite web|url=http://www.rootsweb.ancestry.com/~ohnhs2/date1920s.html |title=Historical Dates for Norwood, Ohio. 1920s |publisher=Norwood Historical Society |access-date=5 May 2016}}</ref>

Construction of the massive $1,000,000 [[Athenaeum of Ohio|Mt. Saint Mary's Seminary]] was completed in 1923. The seminary educated dozens of future priests, bishops, and archbishops for the Catholic Church until it closed in 1980.<ref name="Historical Dates for Norwood, Ohio. 1920s" /> The seminary was purchased in 1993 and renovated over the course of years and reopened as Our Lady of the Holy Spirit Center and as a Marian Spiritual center in consonance with the Roman Catholic Church.<ref>{{cite web|url=http://www.ourladyoflight.org/ministry/our-lady-of-the-holy-spirit-center|title=Our Lady of the Holy Spirit Center|access-date=6 September 2017}}</ref>

In 1930, the City of Norwood rezoned the city council from four to six wards, reflecting the increase in the city's population. The six wards were rezoned back to four after the population declined in the 2000s.<ref name="Historical Dates for Norwood, Ohio. 1930s">{{cite web|url=http://www.rootsweb.ancestry.com/~ohnhs2/date1930s.html |title=Historical Dates for Norwood, Ohio. 1930s |publisher=Norwood Historical Society |access-date=5 May 2016}}</ref>