Julia Gillard took effect the following day, upon the swearing in of Rudd, and she made her final appearance in the House of Representatives shortly thereafter. Her parliamentary service ended at the dissolution of the Parliament on 5 August. By the conclusion of her tenure, Gillard overtook Gough Whitlam as the 14th longest–serving Prime Minister of Australia, having served in the position for three full years. She also became the longest–serving Prime Minister since John Howard's electoral loss in 2007; a record which has not been exceeded by successive Prime Ministers Rudd, Abbott, Malcolm Turnbull, or , current Prime Minister Scott Morrison.
Acting prime minister is on vacation, or is in ill health. In the early 20th century, when travel by ship was still the norm, it was not uncommon for there to be an acting Prime Minister for months on end. The deputy Prime Minister is usually designated as the acting Prime Minister, although another senior member of the government may fill the role if both the Prime Minister and deputy Prime Minister are unavailable. An acting Prime Minister is required quite frequently – for instance, between 3 December 2007 and 23 February 2009 (during Kevin Rudd's first term), Julia Gillard acted as Prime