In Commonwealth relations , Gillard represented Australia at the Wedding of Prince William and Catherine Middleton in London in April 2011 and hosted the Commonwealth Heads of Government Meeting ( CHOGM ) in Perth in October of that year . The Perth CHOGM saw the historic announcement , by Gillard and British Prime Minister David Cameron , of changes to the succession laws regarding to thrones of the Commonwealth realms , overturning rules privileging male over female heirs to the line of succession and removing a ban on Roman Catholic consorts
Perth CHOGM
Commonwealth Heads of Government Meeting 2011
Gillard Government