1975
- January
- First New Zealand Games held at Q.E.II Park. The Oath of Amateurism was read by Christchurch athlete Val Young, who has won 28 national titles - more than anyone else, male or female.
- March 22
- 3000 joggers take part in the first City-to-Surf fun run.
- April 11
- Visit by Mr Lee Kuan Yew, Prime Minister of Singapore.
- May 1
- Canterbury University completes its move from city to Ilam campus.
- May 8
- New Zealand’s first mini roundabout in operation at the corner of Riccarton Road and Deans Avenue.
- May 10
- Ms Vicki Buck becomes the city’s (and New Zealand’s) youngest ever City Councillor at 19.
- May 16
- Opening of Four Avenues, New Zealand’s first State alternative education school.
- June 18
- Record smog level - 3076 micrograms per cubic metre over 2 hour period during night. The introduction of domestic clean air zones has slightly alleviated this long standing city problem, but Christchurch’s air pollution remains New Zealand’s worst. See also 1977.
- June 30
- TV2 transmission starts.
- July
- Chateau Commodore (now Chateau Regency) Hotel opens.
- August 1
- Severe nor-west gale causes serious damage throughout city and province. Winds gust to a record 172 kilometres per hour (107 miles per hour). Over 250 injuries in Canterbury, and many forests devastated.
- September 13
- Fire (probably arson) destroys Addington showgrounds grandstand.
- September 15
- Christchurch (Dorset, England), becomes a sister city.
- September 26
- Noahs Hotel opens.
- September 27
- Extensions to airport domestic terminal open.
- October
- Willowbank Wildlife reserve opens to public.
- December 1
- Rolleston satellite town project scrapped.
- (no date)
- Southern Ballet gives its first performance "Giselle".