1967: Memorial Park closes and the collections moves to Central Library.
1970: Hillhurst Library closes and the collections move to Sir Winston Churchill School, where the Winston Churchill Community Library opens in September 1970. The Westbrook Library also closes and the Shaganappi Library opens in August 1970.
1973: Leslie (Les) Fowlie is appointed as the new Director. The new Forest Lawn Library location opens in 1973.
1974: The Central Library addition to the northside of the building is officially opened by Canadian author W.O. Mitchell. Thorn-Hill Library opens.
1975: The Varsity Library replaces the Sir Winston Churchill Community Library.
1977: Memorial Park is restored and reopens as a Library after serving as Glenbow Museum’s reference library and archives for eight years.
1979: John Dutton is appointed Director. The Macleod Library opens in the Willow Park neighbourhood, and the new Bowness Library location opens.
1981: The new Alexander Calhoun Library building opens.
2019: Seton Library opens on January 14, 2019. Mark Asberg is appointed as the new CEO.
2020: For the first time in history, all Calgary Public Library locations are closed to visitors to help stop the spread of the COVID-19 global pandemic. Innovative contactless and virtual services are implemented to ensure continued public access to essential Library resources. Closures took place from March to June 2020, December 2020 to March 2021, and April to June 2021.