Dayton is a city in Ohio, serving as the county seat of Montgomery County and extending slightly into Greene County. With a population of 137,644 (2020 census), it ranks as Ohio's sixth-largest city. Dayton anchors the fourth-largest metropolitan area in the state, encompassing 814,049 residents. Situated in Ohio's Miami Valley, it's strategically located 50 miles north of Cincinnati and 60 miles west of Columbus.
The highest temperature ever recorded in Dayton, Ohio, was 108 °F (42 °C) on July 22, 1901.
The Dayton Arcade, an architectural landmark, officially opened its doors on March 3, 1904. It was built with the intention of replacing open-air markets scattered throughout the city.
In 1906, Charles F. Kettering, an engineer at the National Cash Register Company (NCR), helped develop the first electric cash register. This invention significantly boosted NCR's prominence nationwide.
In March 1913, a devastating flood known as the Great Dayton Flood struck the city.
Dayton became a pioneer in municipal governance in 1913 by becoming the first major American city to adopt the city manager form of government, with Henry Matson Waite as its inaugural city manager.
Following the Great Dayton Flood in 1913, the Miami Conservancy District, a network of dams and hydraulic pumps, was established around Dayton in 1914 to prevent future flooding.
The Air Force Institute of Technology (AFIT), a graduate school for the United States Air Force, was established in 1919 at the nearby Wright-Patterson Air Force Base.
Dayton hosted the inaugural game of the American Professional Football Association (APFA), the precursor to the NFL, on October 3, 1920. The game took place at Triangle Park between the Dayton Triangles and the Columbus Panhandles, marking a significant moment in professional football history.
The Dayton chapter of the National Audubon Society began participating in the annual Christmas Bird Count in 1924.
Wright Field, a significant aviation facility near Dayton, was formally dedicated on October 12, 1927.
The Dayton trolleybus system commenced operation in 1933, marking the continuation of an electric transit service that has been active in Dayton since 1888. This makes it the second longest-running trolleybus system among the five remaining in the U.S.
Alan Turing, a renowned mathematician and computer scientist, visited the National Cash Register (NCR) company in Dayton in December 1942. During his visit, he contributed to the development of the US Navy Bombe, a code-breaking machine instrumental in deciphering German Enigma machine codes during World War II.
The Moraine Country Club hosted the PGA Championship in 1945.
On January 13, 1948, Wright Field, Patterson Field, Dayton Army Air Field, and Clinton Army Air Field were merged and renamed Wright-Patterson Air Force Base.
A race riot erupted in Dayton in 1955 following the brutal murder of Emmett Till, a young African American boy, in Mississippi.
The Kenley Players started their run of live theater productions in Dayton in 1957, contributing to the city's vibrant arts scene.
The Miami Valley Golf Club hosted the prestigious PGA Championship in 1957.
Dayton's population peaked in 1960 at 262,332 residents.
The Dayton Gems, a minor league ice hockey team, were founded in 1964, marking the beginning of their presence in the International Hockey League.
A significant race riot occurred in Dayton in 1966, reflecting the racial tensions and unrest prevalent in many American cities during the Civil Rights Movement.
Two race riots transpired in Dayton in 1967. One followed a speech by civil rights activist H. Rap Brown, while the other was sparked by the police killing of an African American man.
Wright State University, a public institution, was officially designated as a state university in 1967.
Dayton experienced a race riot in 1968 as part of the nationwide riots that followed the assassination of civil rights leader Martin Luther King Jr.
The NCR Country Club held the PGA Championship in 1969.
In 1970, the federal government funded thirteen "new towns", including one planned as a suburb of Dayton, called Brookwood or Newfields.
Jim Hill took over as coordinator of the Dayton Christmas Bird Count in 1970, succeeding Ben Blincoe.
The Dayton Gem's time in the International Hockey League came to an end in 1977.
The Brookwood/Newfields project, a planned suburb of Dayton, was abandoned in 1978. Much of the land became Sycamore State Park.
In October 1979, the National Limited became the last long-distance passenger train to depart from Dayton Union Station on S. Sixth Street. Prior to Amtrak, the station served the Baltimore and Ohio Railroad, New York Central Railroad, and the Pennsylvania Railroad.
After a brief hiatus, the Dayton Gems returned to the International Hockey League in 1979.
The Dayton Gems once again ceased operations in 1980, marking the end of their second stint in the International Hockey League.
The NCR Country Club hosted the U.S. Women's Open in 1986.
The Dayton Bombers joined the East Coast Hockey League (ECHL) in 1991, marking the beginning of their run in the league.
The Dayton Weekly News, a publication providing news and information to Dayton's African-American community, was established in 1993.
The Dayton Agreement, a peace accord aimed at ending the conflict in Bosnia-Herzegovina and the former Yugoslavia, was negotiated at Wright-Patterson Air Force Base near Dayton from November 1 to 21, 1995.
The Kenley Players ended their run of live theater productions in Dayton in 1995, marking the end of an era for the city's theater scene.
The National Folk Festival was held in Dayton from 1996 to 1998.
After hosting the National Folk Festival for three years, Dayton saw its conclusion in 1998. The Cityfolk Festival, focused on folk, ethnic, and world music and arts, was then established.
Day Air Ballpark, the home of the Dayton Dragons minor league baseball team, was built in 2000.
Five Rivers MetroParks, Dayton's public park system, built RiverScape MetroPark in 2001. This outdoor entertainment venue attracts over 400,000 visitors annually.
The Schuster Center, a new performance arts theater in Dayton, opened its doors in 2003.
This marks the start of a period between 2003 and 2008 when Dayton saw a decrease in major crime categories.
The NCR Country Club hosted the U.S. Senior Open in 2005.
This marks the end of a period between 2003 and 2008 when Dayton saw a decrease in major crime categories.
The national housing crisis that began in 2008 significantly impacted Dayton, contributing to the city's population decline. The crisis exacerbated the loss of manufacturing jobs and the decentralization of metropolitan areas, hitting Dayton harder than many other cities in Ohio.
In 2008, KeyBank gained naming rights to the building formerly known as the MeadWestvaco Tower.
Site Selection magazine ranked Dayton as the top medium-sized metropolitan area in the U.S. for economic development in both 2008 and 2009.
In 2008, Dayton International Airport served 2.9 million passengers and offered service to 21 markets through 10 airlines. The airport also served as a major air freight hub for FedEx Express, UPS Airlines, the United States Postal Service, and other commercial freight carriers.
The Dayton Bombers, an ECHL ice hockey team, announced the return of their league membership in June 2009, marking the end of the team.
Dayton experienced a continuing decline in crime in 2009, with significant decreases across several categories, including a 40% overall drop.
Forbes ranked Dayton tenth among metropolitan areas in the United States for higher education in 2009.
Governor Ted Strickland named Dayton as Ohio's first aerospace innovation hub in 2009, acknowledging the region's significant contributions to aviation and aerospace technology.
In 2009, the CareSource Management Group completed the construction of their new corporate headquarters in downtown Dayton. The $55 million, 10-story building marked the first new office tower in the downtown area in over a decade.
Site Selection magazine ranked Dayton as the top medium-sized metropolitan area in the U.S. for economic development in both 2008 and 2009.
Following the closure of the Dayton Bombers, a new Dayton Gems team was established in the fall of 2009 as part of the International Hockey League, bringing hockey back to Dayton.
In 2010, the Ohio Department of Transportation (ODOT) began a $533 million project to modify, reconstruct, and widen Interstate 75 through downtown Dayton.
The League of American Bicyclists awarded Troy, a city within the Dayton metropolitan area, a bronze "bike friendly" designation in 2010. This honor recognized the city's commitment to cycling infrastructure and made Dayton one of only two cities in Ohio to receive the award.
The Downtown Dayton Partnership, in collaboration with the City of Dayton and community leaders, introduced the Greater Downtown Dayton Plan in 2010.
Bloomberg Businessweek recognized Dayton as a prime location for college graduates entering the job market in 2010.
In 2010, Dayton ranked highly in exports and export-related jobs. The Brookings Institution estimated $4.7 billion in exports and 44,133 export-related jobs. Dayton also had the 4th highest GDP in Ohio at $33.78 billion.
Dayton's demographics shifted significantly between 1960 and 2010, with the White population declining from 78.1% to 51.7%.
According to the 2010 census, Dayton had a population of 141,759, with 58,404 households residing in the city. The racial makeup showed a decrease in the White population compared to previous decades.
In 2011, three of the top five charter schools were recognized in Dayton, all of which were K-8 schools operated by National Heritage Academies.
The Dayton Gems folded once again in 2011, shortly after which the Dayton Demonz were formed, set to begin playing in the Federal Hockey League (FHL) in 2012.
The Dayton Demonz, a new hockey team in the Federal Hockey League (FHL), played their inaugural season in 2012.
The Dayton Gems, after a period of revival, folded for a third time in 2012, concluding their journey in the International Hockey League.
In 2012, the University of Dayton Arena (UD Arena) hosted eight teams competing for a spot in the NCAA basketball tournament. This venue is known for hosting more NCAA men's basketball tournament games throughout its history than any other.
In 2013, John Kenley, the driving force behind the Kenley Players, was honored for his contributions to Dayton's theater with an induction into the Dayton Theatre Hall of Fame.
The State Team Championships were held at the NCR Country Club in 2013.
In 2015, Ted Rall commented on Dayton's demolition of architecturally significant buildings over the preceding five decades, suggesting it was done to manipulate the city's rental vacancy and occupancy rates.
The Dayton Demonz folded in 2015, but the Dayton Demolition, also playing in the FHL, immediately replaced them.
This entry provides a baseline for homicide rates in 2015, which saw a significant increase in 2016.
Dayton experienced a 39.3% increase in homicides in 2016, with the Dayton Police Department reporting 39 murders.
This entry marks the beginning of the period from 2016 to 2020 during which the U.S. Census American Community Survey collected data on income and poverty levels in Dayton.
In 2017, The Ohio Department of Transportation (ODOT) completed a $533 million project to modify, reconstruct, and widen Interstate 75 through downtown Dayton. The project spanned from Edwin C Moses Blvd. to Stanley Avenue.
The Dayton City Paper, known for its focus on music, art, and independent thought, ceased operations in 2018.
As of 2018, the Dayton Area Rugby Club had expanded to include two men's teams, one women's team for Rugby Union, and several Rugby Sevens sides. They also host the annual Gem City 7's tournament.
A tragic mass shooting occurred in Dayton on August 4, 2019, resulting in the death of ten people, including the perpetrator, and injuries to twenty-seven others.
In 2019, National Geographic recognized Dayton as the outdoor adventure capital of the Midwest. This was largely thanks to the revitalized Five Rivers MetroPark, the city's expansive trail system, and various urban green spaces, lakes, and camping areas.
On Memorial Day in 2019, a series of 15 tornadoes touched down in the Dayton area, causing significant property damage and one fatality. One tornado, rated EF4, caused particularly severe damage as it passed through Brookville, Trotwood, Dayton, Northridge, and Riverside.
The city of Dayton released its 2019 Comprehensive Annual Financial Report.
As of the 2020 United States Census, the city of Dayton had a population of 137,644, making it the sixth-most populous city in Ohio.
By 2020, Dayton's population had declined significantly to 137,644 residents, partly due to a manufacturing slowdown.
The 2020 census recorded 137,644 people in Dayton, with a population density of 2,466.47 people per square mile. The racial makeup was diverse, with White residents making up 47.6% of the population.
The Greater Downtown Dayton Plan, focusing on job creation, infrastructure improvements, housing, recreation, and collaboration, was set to be implemented through the year 2020.
This entry marks the end of the period from 2016 to 2020 during which the U.S. Census American Community Survey collected data on income and poverty levels in Dayton.
The NCR Country Club most recently hosted the Senior Women's Open in 2022.