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Parliamentary elections were held in Austria on 1 March 1970. The Socialist Party (SPÖ) emerged as the largest party in the National Council, winning 81 of the 165 seats, just three seats short of an absolute majority and the first time it had become the largest party during the Second Republic. Voter turnout was 92%.
After lengthy coalition negotiations with the Austrian People's Party (ÖVP), the SPÖ formed a minority government with the support of the Freedom Party of Austria (FPÖ). It is speculated that SPÖ leader Bruno Kreisky had this intention from the start and only negotiated with the ÖVP for appearances. It was the first Socialist-led government since 1920, and the first purely left-wing government in Austrian history. The SPÖ would lead the government for the next 29 years. Kreisky became Chancellor and would remain so until 1983. The Kreisky I government took office on 21 April 1970. Josef Klaus stepped down as ÖVP chairman in 1970 and his deputy Hermann Withalm [de] succeeded him.
Early elections under the new system were held the following year, with the number of seats increased to 183. They saw the SPÖ win an outright majority.
"National election results Austria 1919 - 2017 (OA edition)", Institute for Social Research and Consulting (SORA) (in German), Austrian Social Science Data Archive (AUSSDA), 2019-07-24, doi:10.11587/EQUDAL