Gillard Government Deputy Prime Minister in the First Rudd Government. With Treasurer Wayne Swan as her Deputy, Gillard went on to lead her party to the 2010 Australian federal election against the Liberal-National Coalition led by Tony Abbott. The election resulted in a hung Parliament in which Gillard secured the support of the Australian Greens and three independents to form Government. Leadership challenges occurred intermittently between Gillard and Rudd resulting in Labor leadership spills in February 2012, March 2013 and June 2013, the last of which ended her prime ministership. Major policy initiatives of the Gillard Government included, the Clean Energy Bill
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