Among the first disc jockeys on CHYM were Gene Scott, Vic Thomas, Sandy Hoyt, Keith Sterling, and Larry Shannon.

In late 2005, CKGL adopted the popular all-news format for the morning and afternoon drive time slots.

The winning newscast aired Friday October 6, 2006 at 7 AM and highlighted RIM co-CEO Jim Balsillie's intent to buy the Pittsburgh Penguins.

In June 2021, Rogers announced that it would rebrand CKGL and its other all-news and news/talk radio stations under the CityNews brand beginning October 18, 2021.

[5] As with similarly-branded Ottawa sister station CIWW, the broadcast signal of Citytv's Toronto flagship station reaches Waterloo Region and is also available on cable, satellite, and fibre TV services, but Citytv Toronto does not cover local news in the market.