Despite the previous leadership spill on 21 March 2013, at which Gillard was re-elected leader unopposed, tensions continued to remain high.

[7] On 26 June, rumours began to spread that supporters of Rudd were circulating a caucus petition calling for a vote to challenge Gillard for the leadership.

Rudd announced in a press conference shortly afterwards that he would challenge Gillard for the leadership, and committed to retiring from politics if he lost.

Wayne Swan, Craig Emerson, Peter Garrett, Stephen Conroy, Joe Ludwig and Greg Combet all also announced their resignations from the cabinet.

[10] On 4 August 2013, Rudd visited the Governor-General and asked her to dissolve parliament and issue writs for an election on 7 September.