The following is a timeline of the history of the city of Columbus, Ohio, USA
1812
Columbus founded.
Population: 300.
1816 - Jarvis W. Pike elected mayor.
1817 - Ohio State Library headquartered in Columbus.
1831 - Columbus connected to Ohio and Erie Canal.
1832 - Ohio State School for the Deaf established.
1833 - National Road in operation.
1834
Columbus chartered as a city.
John Brooks becomes mayor.
Ohio Penitentiary begins operating.
1837 - Ohio State School for the Blind established.
1840 - Population: 6,048.
1845 - Columbus Public Schools established.
1849 - State Convention of the Colored Citizen held in city.
1850
Columbus and Xenia Railroad begins operating.
Population: 17,882.
1851 - Cleveland, Columbus and Cincinnati Railroad begins operating.
1853 - Columbus Athenaeum founded.
1861 - Ohio State Capitol building completed.
1862 - Fort Hayes established.
1868
St. Mary's of the Springs school opens.
Cleveland, Columbus, Cincinnati and Indianapolis Railway in operation.
1870 - Columbus Circulating Library organized.
1871 - Daily Dispatch newspaper begins publication.
1872 - Public Library & Reading Room established.
1873 - Ohio Agricultural and Mechanical College opens.
1875 - Union Station rebuilt.
1878 - Columbus Gallery of Fine Arts and Ohio State University Marching Band established.
1879 - Columbus Art School and Camp Chase Confederate Cemetery established.
1880 - Population: 51,647.
1887 - Franklin County Courthouse built.
1894 - "Ugly law" approved.
1895 - Franklin Park Conservatory opens.
1898 - First Neighborhood Guild organized.
1899
Columbus Citizen newspaper begins publication.
Masonic meeting hall built.
1900
Godman Guild House built.
Population: 125,560.
1904 - Governor's Mansion and Franklin County Memorial Hall built.
1905 - Indianola Park (amusement park) in business.
1906 - Columbus Public Library building constructed.
1910 - Streetcar strike.
1913 - Flood.
1919 - Spring Street YMCA opens.
1920 - Population: 237,031.
1922 - Ohio State University's Ohio Stadium built.
1927 - American Insurance Union Citadel built.
1929 - Battelle Memorial Institute founded.
1933 - Ohio State Office Building constructed.
1934 - U.S. Post Office and Courthouse built.
1936 - White Castle (restaurant) headquartered in city.
1940 - Population: 306,087.
1947 - National Auto Theatre (drive-in cinema) in business.
1952 - Ohio State University's Mershon Center for International Security Studies established.
1954 - Black Baptist Pastors' Conference organized (approximate date).
1955 - Sister city relationship established with Genoa, Italy.
1959 - The Columbus Citizen-Journal newspaper in publication.
1960 - Population: 471,316.
1964
Northland Mall in business.
Bank One Tower built.
1970 - Columbus Free Press begins publication.
1974 - Rhodes State Office Tower built.
1975 - Columbus Monthly magazine begins publication.
1976 - Fort Hayes Metropolitan Education Center established.
1977
QUBE television begins broadcasting.
One Nationwide Plaza built.
1978 - Community Development Task Force formed.
1980 - Sister city relationship established with Tainan City, Taiwan.
1984 - Huntington Center built.
1985 - Catco theatre company founded.
1987
King Arts Complex active.
Union Station (Mural) painted.
1988
Vern Riffe State Office Tower and Three Nationwide Plaza built.
Sister city relationships established with Hefei, China; Odense, Denmark; and Seville, Spain.
1989 - Columbus City Center (shopping mall) in business.
1990
The Other Paper begins publication.
William Green Building constructed.
Population: 632,910.
1991
City government computer network begins operating.
Carriage Place Movies 12 (cinema) in business.
1992 - Sister city relationship established with Dresden, Germany.
1996
Sister city relationship established with Herzliya, Israel.
Chamber of Commerce city portal online.
1998 - City government website online (approximate date).
2000
Michael B. Coleman is first elected as mayor.
Population: 711,470.
2001
Columbus Underground begins publication.
Miranova Condominiums built.
Arena Grand cinema and Polaris Fashion Place (shopping mall) in business.
2004 - The Northland Mall on Morse Road, which closed in 2002, is demolished to make way for a new commercial development, ultimately to be called Northland Village.
2008 - Sister city relationship established with Ahmedabad, India.
2010 - Population: 787,033.
2011
Columbus Commons (park) opens.
Steve Stivers becomes U.S. representative for Ohio's 15th congressional district.
2013
Population: 822,553.
Joyce Beatty becomes U.S. representative for Ohio's 3rd congressional district.
2014 - Sister city relationship established with Curitiba, Brazil.
Timeline of Columbus, Ohio Wikipedia (Text) CC BY-SA