1900
- September
- 53 room McLean’s mansion completed in Manchester Street - the largest private house ever built in New Zealand. It was originally called "Holly Lea".
- November 1
- Canterbury Jubilee Exhibition opens in the New Canterbury Exhibition Hall, Manchester Street. See 1924.
- (no date)
- First sealed street (part of Cashel Street) built.
- Nicholas Oates (see 1899) receives the City’s first motor traffic violation for frightening a horse with his newly imported motor car.