Julia Gillard continued to differ as to the extent of Gillard's foreknowledge and planning of the replacement of Rudd. Rudd initially said that he would challenge Gillard, but it soon became apparent that he did not have enough support within the party to survive in his position. Hours before the vote on 24 June, he resigned as Prime Minister and Leader of the Labor Party, leaving Gillard to assume the leadership unopposed. Treasurer Wayne Swan was at the same time elected unopposed to succeed Gillard as Deputy Leader. Shortly afterward, Gillard was sworn in as the 27th Prime Minister of Australia by
Julia Gillard Subsequent to the federal election held on 7 September 2013, Gillard was succeeded as the Member for Lalor by her preferred replacement, Joanne Ryan, a former school principal. Although nominally a member of the Victorian Left faction of the Labor Party, her election to Prime Minister occurred because of support from the Right factions of the party, with the hard Left planning to support Rudd in the Caucus vote had there actually been one. Analyses of Jacqueline Kent's 2009 biography of Gillard suggest that her membership in the Left faction is "more organisational than ideological". In July 2010, historian Ross