Gillard Government also polarised: approval ratings of Gillard and Abbott both improved following the speech. Julia Gillard mounted a leadership challenge against Kevin Rudd as leader of the Australian Labor Party and Prime Minister of Australia in June 2010. Rudd remained within the government, initially as a backbencher. Following the 2010 election, Gillard appointed Rudd as Foreign Minister in her minority government. The unusual circumstances of Rudd's replacement by his own party prior to completion of his first term in office, the subsequent circumstances of Labor operating without an outright Parliamentary majority, persistent two-party-preferred polling results favouring the Liberal-National opposition, and some
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