At a snap election the National Government of Sir Robert Muldoon was swept from power to be replaced by the third of New Zealand's great reforming governments.
But unlike Seddon's Liberals of the 1890s or the Savage Government in the 1930s, the Labour Government of the 1980s aimed to reduce rather than increase the role of the state.
It was led by the larger-than-life figure of David Lange, but the real driving force of the reforms was finance minister Roger Douglas whose name became synonymous with the controversial changes: Rogernomics.
Douglas' agenda was to tackle New Zealand's economic woes - high inflation, big budget deficit, overseas debt and an overvalued currency - with the strategies devised by the neo-classical school of economics.
In practice this meant de-regulation, an end to tariffs, subsidies and tax breaks as well as the privatisation and sale of state assets. It also meant the introduction of GST, the biggest tax reform since PAYE was introduced in 1957.