March 1, 1922 - WHQ radio starts broadcasting from the Gannett building.

July 11, 1922 - WHQ radio broadcasts from the Eastman Theatre.

July 31, 1922 - WHQ call letters changed to WHAM.

August, 1927 - Stromberg-Carlson buys WHAM and moves operations to the Sagamore Hotel.

February, 1945 - Stromberg-Carlson announces plans to build Rochester Radio City on Humboldt St., Rochester. 

November, 1945 - Ground-breaking ceremonies on Humboldt St. for WHAM and WHFM Rochester Radio City Broadcasting Center.

February 4, 1949 - Before the grand opening of the new radio facility on Humboldt St., television testing begins.

February 14, 1949 - Grand Opening of WHAM-WHFM Rochester Radio City.

June 11, 1949 (1pm) - WHAM-TV Channel 6 signs on with live remote broadcasting from the Rochester Civic Center. WHAM-TV is the 68th station in the nation broadcasting to about 1200 TV sets. In just six months, 15,900 sets are in use in the Rochester area. One year after the number skyrockets to 57,982 TV sets.

August, 1951 - WHAM-TV Channel 6 increases power to cover a distance of 43 miles.

1952 - 150,000 TV sets are in use. First broadcast tests of color slides.

February 1, 1954 - First color program broadcast from WHAM-TV Channel 6 (an NBC program rebroadcast on RCA color tape).

July 24, 1954 - WHAM-TV moves frequency, from Channel 6 to Channel 5.

October 29, 1955 – WHAM-TV airs first televised debate of local political issues.

April 3, 1956 – Stromberg-Carlson’s WHAM-TV Channel 5 announces pending sale.

September 13, 1956 – Stromberg-Carlson becomes a division of General Dynamics.   General Dynamics sells broadcast division to Transcontinent Television Corporation, who in turn sells off WHAM and WHFM radio.
                                

September 15, 1956 – Transcontinent Television Corp. produces its first broadcast with the new call letters, WROC-TV Channel 5. 360,000 TV sets are in use.

August, 1957 – “Eleventh Hour News,” Rochester’s first 11pm newscast is broadcast from WROC-TV Channel 5.

April 7, 1958 – Regular sports-cast is added to “Eleventh Hour News”.

November 14, 1961 – Veterans Broadcasting Company acquires Transcontinent Television’s WROC-TV Channel 5.  Veterans brings WVET-AM and FM radio to Humboldt St. and changes call letters to WROC AM and FM, displacing WHAM and WHFM, now owned by Rust Communications, which moves to East Avenue, Rochester.

April 24, 1962 – After an extensive $400,000 remodeling project, including the removal of many of the original theater seats to expand the studio floor, remodeling master control rooms and expanding office space, Veterans Broadcasting renames the facility the WROC Broadcast Center.

September 8, 1962 – WROC-TV’s frequency is changed from Channel 5 to Channel 8.

September 18, 1964 – Rust Craft acquires WROC-TV Channel 8.

May 24, 1965 – WROC-TV Channel 8 purchases Rochester’s first color studio camera and first color film projectors and schedules first color film broadcast for September of that year.
                           

March, 1979 – Ziff-Davis Broadcasting of N.Y. acquires WROC-TV Channel 8.

June 27, 1979 – WROC AM radio (1280) changed to WPXN.

1980 – The last radio broadcast from the Broadcast Center was heard. Radio was evicted.

1981 – WROC-TV Channel 8 acquires a microwave “Live Truck” for remote broadcasting.

1982 – WROC-TV Channel 8 acquires a satellite dish to receive syndicated programming.

1983 – Television Station Partners L.P. buys WROC-TV Channel 8.

October, 1985 – First stereo broadcasts in Rochester from WROC-TV Channel 8.

August, 1989 –WROC-TV Channel 8 becomes a CBS affiliate and NBC moves to Channel 10.

January 3, 1996 – Smith Television of Rochester acquires WROC-TV Channel 8.

March, 1997 – WROC-TV Channel 8 changes financial hands to become STC Broadcasting, Inc. of Rochester, a division of the Sunrise Television Corporation.

April, 1999 – Through a time brokerage agreement, Nexstar Broadcasting Group acquires WROC-TV Channel 8 and manages the day-to-day operations as Nexstar Broadcasting of Rochester, LLC. 

December, 1999 – Nexstar Broadcasting of Rochester, LLC, is granted FCC approval and officially becomes the owner of WROC-TV Channel 8.

November 16, 2000 - “Newstar 8," Rochester’s first satellite news gathering vehicle, is put into service on “News 8 Now” broadcasts.

September 1, 2005- Nexstar Broadcasting enters into a Shared Services Agreement with Sinclair Broadcasting to operate WUHF/Fox Rochester.  A daily half hour news program, "Fox First at Ten," is added to production at the Humboldt St. Broadcast Center.