The estimated population of New Zealand at the end of 1845 is 72,500 Māori and 12,774 non-Māori.
Regal and viceregal
Head of State – Queen Victoria
Governor – Captain Robert Fitzroy is dismissed on 18 November and replaced by Sir George Grey.
Government and law
Chief Justice — William Martin
19 January: Hone Heke cuts down the British flagstaff at Kororareka for the third time in the lead-up to the Flagstaff War.
2 April: The Wellington Independent publishes its first issue. The newspaper continues to publish bi-weekly or tri-weekly until 1874.
7 June: The New Zealander begins publishing. The Auckland-based newspaper publishes weekly, then bi-weekly and from 1859 daily. It will cease publishing in 1866.
Samuel Brown, mayor of Wellington.
Charles Johnston, politician.
1 July: George Phillpotts, naval officer
8 September: Te Peehi Turoa, tribal leader