18th century
- 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.[1]
- 1875 – Originally named Fort Brisebois, after NWMP officer Éphrem-A. Brisebois, it was renamed Fort Calgary by Colonel James Macleod.
- 1883 – The Canadian Pacific Railway reached the area and a rail station was constructed.
- 1884 – Calgary was officially incorporated as a town and elected its first mayor, George Murdoch.
- 1885 – Calgary Police Service established.
- 1886 – The Calgary Fire of 1886.
- 1888 – Anglican Diocese of Calgary established.
- 1891 – Calgary and Edmonton Railway opened.
- 1894 – It was incorporated as "The City of Calgary" in what was then the North-West Territories.[2]
- 1900 – Downtown East Village, Calgary established.
20th century
- 1902 – Oil was first discovered in Alberta in 1902,[3]
- 1912 – The Calgary Stampede is held for the first time.
- 1915-18 – Mewata Armouries constructed.
- 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.
- 1929 – Great Depression in Canada.
- 1932-33 – The Glenmore Dam is constructed.
- 1947 – Huge reserves of oil were discovered in the province. Calgary quickly found itself at the centre of the ensuing oil boom.
- 1947 – Stampede Wrestling established.
- 1970 - First +15 enclosed pedestrian walkway constructed downtown.
- 1971 – 403,000 inhabitants. The relatively low-rise Downtown Calgary quickly became dense with tall buildings,[4] a trend that continues to this day.
- 1973 – The city's economy grew when oil prices increased with the Arab Oil Embargo.
- 1988 – Calgary hosts the 1988 Winter Olympics
- 1989 – 675,000 inhabitants.
- 1992 – Stephen Avenue is designated as a National Historic Site of Canada.
- 1996 – Canadian Pacific Railway moved its head office from Montreal to Calgary.
- 1997 – Calgary Declaration.
- 1999 – Hub Oil explosion
21st century
- 2002 – J26 G8 Protests.
- 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) will finish.
- 2010 – Danilo e família (Bia, Lucas e Juju) chegam em Calgary! J