Complex sentence: Edward Lowassa was nominated as Prime Minister and was approved overwhelmingly by the National Assembly and was sworn in on 30 December 2005; the same day President Kikwete inaugurated Parliament.
Split into simpler sentences: Edward Lowassa was then nominated as Prime Minister and was approved overwhelmingly by the National Assembly. He was sworn in on 30 December 2005; the same day President Kikwete inaugurated Parliament.