1787 – Cartographer David Thompson spent the winter with a band of Peigan encamped along the Bow River. He was the first recorded European to visit the area.
19th century
1873 – John Glenn was the first documented European settler in the Calgary area.
1875 – Originally named Fort Brisebois, after NWMP officer Éphrem-A. Brisebois, it was renamed Fort Calgary by Colonel James Macleod.
1919 - The Victory Stampede was Calgary's second rodeo, honoring the end of the Great War.
1923 – A plebiscite increased the term in office for the mayor from one to two years. In 1968, the Municipal Act increased the term in office by one year, for a total of three years.
1923 - The Calgary Stampede held for the third time and annually since then.
2005 – Imperial Oil moved its headquarters from Toronto to Calgary in order to take advantage of Alberta's favourable corporate taxes and to be closer to its oil operations.
2006 – EnCana announced the construction of the Bow, a 58-floor skyscraper in the downtown core of the city.
2007 – 1,020,000 inhabitants.
2008 – The Calgary Economic Region had an estimated population of 1,232,679.
2010 – Centennial Place (Calgary) completed construction.
2013 - Widespread flooding across southern Alberta forces the evacuation of 75,000 Calgary residents
2014 - Calgary reached a population of around 1,419,800.