8 April – The Invercargill Tragedy occurs, in which James Reid Baxter kills his family and then himself.
June
July
August
7 August: First through passenger train on the North Island Main Trunk railway, over temporary track north of Taonui, the 11-car Parliamentary Special carrying the Prime Minister Sir Joseph Ward and other parliamentarians north to see the American Great White Fleet at Auckland (9 to 15 August).[3]
New Zealanders compete at the Olympic Games for the first time, as part of the Australasian team. Harry Kerr becomes the first New Zealander to win an Olympic medal.
Anthony Wilding pairs with Australian Norman Brookes, as the Australasian team, to win the Davis Cup, beating the United States 3–2. The final is held in Melbourne.
^McLintock, A. H., ed. (1966). "Men's Golf – National Champions". An Encyclopaedia of New Zealand. Te Ara – The Encyclopedia of New Zealand. Retrieved 13 February 2009.