The Australian Labor Party leadership spill, 2010 occurred on 24 June 2010. Kevin Rudd, the Prime Minister of Australia, was challenged by Julia Gillard, the Deputy Prime Minister of Australia, for the leadership of the Australian Labor Party. Gillard won the election unopposed after Rudd declined to contest, choosing instead to resign. Gillard was duly sworn in as Prime Minister by Quentin Bryce, the Governor-General, on 24 June 2010 at Government House, becoming Australia's first female Prime Minister.