11 December 1929 (correction: it opened on 11 November)
Edmonds band rotunda opens.

Thomas Edmonds Band Rotunda, foggy morning, 1960s

Band rotunda roof

12 December 1849
New Zealand Company agrees to reserve two and a half million acres as a site for the Canterbury settlement.

13 December 1942
Premiere in Christchurch of Landfall in Unknown Seas by Douglas Lilburn and Allen Curnow.

15 December 1848
Captain Joseph Thomas, William Fox, and surveyors Cass and Torlesse arrive at the site of Lyttelton in the “Fly”. Thomas names the harbour “Port Victoria”. He and his party had been sent by the Canterbury Association to choose a site for the new colony and make the necessary preparations for the arrival of settlers in 1850.

16 December 1864
Foundation stone laid for ChristChurch Cathedral. The weather was atrocious.

More December events in our Christchurch chronology.