Deputy Prime Minister of Australia and Julia Gillard. In both cases, they succeeded incumbent Prime Ministers who lost the support of their party caucus mid-term and their election as party leader preceded their predecessor's resignations and their subsequent appointments as Prime Minister. Frank Forde, who had been deputy Labor leader when John Curtin died, was interim Prime Minister between 6 and 13 July 1945, when a leadership ballot took place that elected Ben Chifley as Curtin's successor. In November 2007, when the Australian Labor Party won government, Julia Gillard became Australia's first female, and first foreign-born, Deputy Prime Minister. In 2017, the position became vacant
Julia Gillard Rudd make the same commitment. At the leadership ballot, Gillard won comfortably by a vote of 71 to 31. Despite Gillard's defeating Kevin Rudd comfortably in the 2012 leadership spill, tensions remained in the Labor Party regarding Gillard's leadership. After Labor's polling position worsened in the wake of Gillard announcing the date of the 2013 election, these tensions came to a head when former Labor Leader and Regional Minister Simon Crean called for a leadership spill and backed Rudd on 21 March 2013. In response, Gillard sacked Crean from his position, and called a leadership spill for 4.30pm that same