1967 Construction began February 19, 1967 and was completed in June 1968 at a total cost of $3.5 million dollars.
1971 On November 1, 1971, the Husky Tower was officially renamed the Calgary Tower as a tribute to Calgary citizens.
1985 In 1985, the Tower completed a renovation of the observation areas at a cost of $2.4 million. This project added a grill and souvenir shop.
1987 A natural gas-fired cauldron is installed on top of the Calgary Tower by Western Canadian Natural Gas to serve as an official Olympic Flame during the upcoming Winter Games.
1988 A hand-held replica of the Calgary Tower with an Olympic flame crosses Canada during the Torch Relay. Tens of thousands of international guests and athletes visit the Tower during the Calgary Olympics.
1989 Fresh off its Olympic exposure, the Calgary Tower initiates and is a founding member of the World Federation of Great Towers (WFGT).
2005 A glass floor spanning 36' wide by 4.5' was installed on the Observation Deck as a gift to Alberta on its Centennial.
2014 LED lights are added to the exterior of the Calgary Tower complementing the downtown skyline nightly with spectacular light displays.
2018 The Calgary Tower celebrates its 50th anniversary as an internationally recognized and iconic symbol of the city.