1904
- March 31
- New Zealand’s first coin-in-the-slot postal franking machine on public trial in Christchurch.
- May 16
- Motor bus service to Timaru begins.
- June 27
- Yaldhurst School elects New Zealand’s first all-woman school committee.
- September 19
- Concert by pianist Jan Paderewski. He later became Prime Minister of Poland.
- November 11
- Christchurch Cathedral completed. Architect George Gilbert Scott.