1873
- January 27
- Christchurch Domains Board constituted.
- January
- New Zealand Shipping Company registered in Christchurch.
- February 19
- Anglican synod decides (by a narrow margin) not to sell the present site of Christchurch Cathedral.
- March 20
- Death of pioneer doctor and photographer Dr. A. C. Barker.
- April 2
- First and second Town Halls destroyed by fire. It took 99 years to replace this civic amenity.
- April 19
- Christchurch Golf Club formed. The first course was in Hagley Park. There are now nearly 30 golf courses in and around Christchurch, making it New Zealand’s golfing capital.
- December 1
- Westland becomes a separate province. It had already become a separate county on January 1 1868.