16 April 1851
First sale of Christchurch town sections.
16 April 1974
Flooding throughout city after record rainfall – 124mm (4.89 inches) in 24 hours.
17 April 1880
First championship cycle meeting, Hagley Park.
18 April 1864
First Ferrymead (swing) bridge opens.
19 April 1873
Christchurch Golf Club formed. The first course was in Hagley Park.
19 April 1988
Proposal for 152 metre tower in Victoria Square abandoned after much public debate.
20 April 1938
First Inter-Dominion trotting in New Zealand held at Addington Raceway. Originally scheduled for Easter, the contest was postponed by flooding throughout the city. Further flooding after the first races delayed the finals until May 4.
More April events in our Christchurch chronology.