Claim: Centre Party's Martti Miettunen became Prime Minister on 30 November 1975 and left office on 29 September 1976.
Evidence: Martti Juhani Miettunen (17 April 1907 – 19 January 2002), was a Finnish politician who served twice as Finland's prime minister, from 1961 to 1962 and again from 1975 to 1977. Miettunen, MarttiMartti Miettunen
(1907–2002) 30 November 1975 15 May 1977 Miettunen, MarttiMartti Miettunen
(1907–2002) 14 July 1961 13 April 1962 Agrarian