sentences:  Initially, Sør-Aukra Municipality had a population of 1,395.During the 1960s, there were many municipal mergers across Norway due to the work of the Schei Committee.On 1 January 1965, Sør-Aukra was merged with the island of Dryna and the rest of the island of Midøya, both from Vatne Municipality, to form the new Midsund Municipality.