- 1796
| Jul 22 | Moses Cleaveland and survey party arrive at the site of modern Cleveland. (XDG, p 4A, 7/22/2000) | Ref: 83 |
- 1814
| Dec 23 | Village of Cleaveland is chartered. |   |
- 1818
| Jul 31 | Cleveland's first newspaper, the Cleaveland Gazette and Commercial Register, is published. |   |
- 1819
| Oct 19 | The Cleveland Herald and Gazette publishes its first issue. |   |
- 1827
| Jul 04 | Ohio and Erie Canal opens between Akron and Cleveland. |   |
- 1842
| Jan 07 | Cleveland's Plain Dealer begins publication. |   |
- 1847
| Apr 23 | A Catholic Diocese is created in Cleveland. |   |
- 1848
| Oct 22 | The cornerstone for St. John's Cathedral in Cleveland is laid. |   |
- 1854
| Jun 05 | Cleveland and Ohio City merge. |   |
| Jul 25 | Cleveland's first formal opera, Lucia di Lammermoor, is performed. |   |
- 1863
| Jul 01 | First home delivery of mail takes place in Cleveland. |   |
- 1868
| Sep 06 | First "blow" of Bessemer Steel made at the Cleveland Rolling Mills. |   |
- 1870
| Feb 03 | The Sherwin-Williams Co. is founded in Cleveland. | Ref: 10 |
- 1871
| Oct 15 | The Cleveland Sunday Times, the first successful Sunday paper, is published. |   |
- 1879
| Apr 29 | Electric arc lights were used for the first time -- in Cleveland, OH. | Ref: 4 |
| May 30 | 92º F highest temperature ever recorded in Cleveland OH in May. | Ref: 5 |
- 1882
| Nov 13 | The Cleveland School of Art is established. |   |
- 1884
| Jul 26 | First electric streetcar run in Cleveland. |   |
- 1886
| Sep 06 | St. Ignatius College opens in Cleveland. |   |
- 1889
| Jul 05 | The 1st edition of the Hebrew Observer published in Cleveland. |   |
| Aug 29 | The Cleveland World begins publication. |   |
- 1893
| Apr 05 | Cleveland passes Park Act (forerunner of Metroparks). | Ref: 5 |
| Apr 26 | First Cleveland Board of Park Commissioners forms. | Ref: 5 |
- 1909
| Jun 07 | Cleveland Industrial Exposition opens. | Ref: 5 |
- 1910
| Mar 24 | 83ºF highest temperature ever recorded in Cleveland in March. | Ref: 5 |
- 1913
| Mar 15 | Cleveland establishes the first small claims court. | Ref: 5 |
| Sep 10 | Cleveland Call & Post established. | Ref: 5 |
- 1914
| Aug 05 | Euclid Avenue and East 105th Street in Cleveland, Ohio became the first intersection in the US to be equipped with an electric traffic light. The lighting ceremony occurred on this day. | Ref: 4 |
- 1916
| Jul 25 | Explosion at Lake Erie & Cleveland Waterworks. | Ref: 5 |
- 1918
| Dec 11 | First concert of the Cleveland Orchestra. |   |
- 1919
| Apr 07 | First parcel of land is purchased for Cleveland Metroparks. | Ref: 5 |
- 1921
| May 05 | First ranger for Cleveland Metroparks hired. | Ref: 5 |
- 1922
| Feb 21 | WHK-AM in Cleveland OH begins radio transmissions. | Ref: 5 |
| Nov 06 | Cleveland's Palace Theater opens. |   |
- 1926
| Dec 02 | The first aluminum streetcars were put in service in Cleveland, Ohio. | Ref: 4 |
- 1929
| May 09 | WJW-AM in Cleveland OH begins radio transmissions. | Ref: 5 |
| May 15 | Fire in X-ray film stock kills 125 at Crile Clinic (Cleveland OH). | Ref: 5 |
- 1930
| Jan 26 | Cleveland's Terminal Tower opens (52 stories). | Ref: 5 |
- 1932
| Feb 11 | 73ºF highest temperature ever recorded in Cleveland in February. | Ref: 5 |
- 1939
| Dec 07 | William Walton's violinist concert premieres in Cleveland. | Ref: 5 |
- 1944
| Oct 20 | East Ohio Gas Explosion claims 130 lives. 30 blocks of Cleveland OH burn. (TWA, 1997) | Ref: 95 |
- 1947
| Dec 17 | WEWS TV channel 5 in Cleveland OH (ABC) begins broadcasting. | Ref: 5 |
- 1949
| Dec 19 | WJW TV channel 8 in Cleveland OH (CBS) begins broadcasting. | Ref: 5 |
- 1950
| Jan 25 | 73ºF (23ºC) highest temperature ever recorded in Cleveland in January. | Ref: 5 |
- 1954
| Jan 24 | The last streetcars run in Cleveland. |   |
- 1956
| Feb 13 | KYW-AM in Philadelphia PA gives calls to WTAM (now WWWE) Cleveland. | Ref: 5 |
| May 13 | Pachyderm Building at Cleveland Metroparks Zoo opens. | Ref: 5 |
- 1959
| May 21 | Cleveland Metroparks Zoo Children's Petting Farm opens. | Ref: 5 |
- 1960
| Jan 23 | The final issue of the Cleveland News is published. |   |
- 1962
| Apr 25 | Lion & Tiger Veldt at Cleveland Metroparks Zoo is dedicated. | Ref: 5 |
- 1964
| Apr 01 | 10ºF lowest temperature ever recorded in Cleveland OH in April. | Ref: 5 |
| Dec 18 | Cleveland State University is established. |   |
- 1965
| Jun 19 | KYW-AM in Cleveland Ohio returns call letters to Philadelphia. | Ref: 5 |
- 1966
| May 10 | 25ºF lowest temperature ever recorded in Cleveland in May. | Ref: 5 |
| Dec 31 | Toboggan Chutes begin operation in Cleveland Metroparks. | Ref: 5 |
- 1967
| Nov 13 | Carl B Stokes sworn-in as first major city black mayor (Cleveland Oh). | Ref: 5 |
- 1968
| Jan 19 | WKBF TV channel 61 in Cleveland OH (IND) begins broadcasting. | Ref: 5 |
- 1969
| Jun 22 | A burning oil slick on the Cuyahoga River attracts national attention. |   |
- 1974
| Dec 30 | Greater Cleveland Regional Transit Authority is established. |   |
- 1978
| Dec 16 | Cleveland becomes the first U.S. city to default since the depression. | Ref: 2 |
- 1979
| Feb 22 | Cleveland Metroparks Zoo's Primate & Cat Building is dedicated. | Ref: 5 |
- 1981
| Oct 29 | William O Walker publisher of the Cleveland Call Post, dies at 85. | Ref: 5 |
| Dec 28 | Cleveland Metroparks Administrative offices move from downtown to Zoo. | Ref: 5 |
- 1982
| Jun 17 | The last issue of the Cleveland Press is published. |   |
- 1985
| Jun 11 | WJW-AM/TV in Cleveland Ohio change call letters to WRMR. | Ref: 5 |
| Jul 22 | Bruce Springsteen became the hottest ticket in the rock concert biz as 70,000 Cleveland fans lined up (in less than three hours) to grab tickets to see the ‘Boss’. | Ref: 4 |
- 1986
| May 05 | Hall of Fame & Museum announced to be built in Cleveland. | Ref: 5 |
- 1990
| May 08 | Cuyahoga County voters approve sin tax to build Cleveland Gateway | Ref: 2 |
- 1992
| Jan 12 | Last building in Gateway area in Cleveland is demolished. | Ref: 5 |
- 1993
| Apr 05 | Construction begins on Cleveland's Rock & Roll Hall of Fame. | Ref: 5 |
- 1994
| Jan 19 | -20ºF (-29ºC) (5 32 AM) coldest day ever recorded in Cleveland OH. | Ref: 5 |
| May 18 | Tropical Butterfly Garden at Cleveland Metroparks Zoo opens | Ref: 5 |
- 2003
| Apr 23 | The Xenia Daily Gazette reports on page 23 that DNA evidence sent to Eliot Ness (Cleveland's Safety Directory in the mid-1930s) will provide clues to solve the "Torso Murders" that terrorized Cleveland from 1934 to 1938. (XDG, p 23, 4/23/2003) | Ref: 83 |
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