NZ History MapAotearoa 1800–2000
1912–1938

War, slump & reform

Gallipoli and Passchendaele cost a small country proportionally enormous losses, influenza kills about half as many in two months as four years of war did, and the Depression breaks the old order. Out of it comes the first Labour government and a welfare state.

15 events under way between 1912 and 1938

1891–1912Politics

The Liberals take power

New Zealand’s first modern political party began 21 years in government, with reforms that led many to see the country as ‘the social laboratory of the world’.

13 May 1912 – 12 November 1912Economy

The Waihi strike

Six months of confrontation at the goldmine ended when police and strikebreakers stormed the miners’ hall and Frederick Evans was fatally injured.

Waihi
1913Economy

Brightwater’s chicken power

A Brightwater mill owner lit the district’s first electric streetlights, and local memory has it that roosting hens switched Brightwater’s lamps on and off.

Brightwater
1913–1914Economy

The Great Strike

Watersiders and miners struck around the country; the government enrolled mounted special constables — farmers and farm workers on horseback — who took back the wharves for strike-breakers.

Wellington waterfront
1914–1918Conflict

New Zealand enters the First World War

About 100,000 served overseas from a population of just over a million. Around 18,000 died and there were some 41,000 instances of wounding or illness; no other British dominion lost a higher share of its military-age men.

25 April 1915 – 20 December 1915Conflict

The Gallipoli landing

New Zealand troops landed on the Gallipoli peninsula on 25 April. In all, 2,779 died, about one in six of those who served there. The date became the country’s day of remembrance.

2 April 1916Conflict

The raid on Maungapōhatu

An armed police expedition marched into the Tūhoe prophet Rua Kēnana’s community at Maungapōhatu in Te Urewera to arrest him. Two men were shot dead, including Rua’s son.

Maungapōhatu
12 October 1917Conflict

Passchendaele — the worst day

An attack on Bellevue Spur in Flanders mud, against uncut wire and without effective artillery support, killed 843 New Zealanders in a few hours.

October 1918 – December 1918Disaster

The influenza pandemic

About 9,000 people died in two months — roughly half as many as died in four years of war. Māori died at more than eight times the Pākehā rate.

1920–1935Society

The Rātana movement rises

Te Hāhi Rātana

Tahupōtiki Wiremu Rātana built a church and then a political movement that campaigned for the Treaty of Waitangi to be honoured.

Rātana Pā
4 August 1923Economy

The Ōtira tunnel pierces the Southern Alps

An 8.5 km tunnel under Arthur’s Pass completed the transalpine railway between Christchurch and Greymouth, and was then the longest tunnel outside the Alps.

Ōtira
3 February 1931Disaster

The Hawke’s Bay earthquake

A magnitude 7.8 quake devastated Napier and Hastings and killed 256 people — still New Zealand’s deadliest earthquake.

Napier
14 April 1932Economy

Depression riots

Unemployed relief workers smashed and looted shops down Queen Street, after earlier trouble in Dunedin. Wellington had its own riot in May.

Queen Street, Auckland
1935–1949Politics

The first Labour government

Michael Joseph Savage led Labour to a landslide in 1935 and built the welfare state: state houses, guaranteed dairy prices, a 40-hour week and free hospital care under the Social Security Act.

Wellington
14 September 1938Society

Social Security Act

Free hospital care, subsidised doctors’ visits and a comprehensive array of benefits, meant to protect New Zealanders ‘from the cradle to the grave’.