View her range of collections and portraits Gillard was sworn in as the 27th Prime Minister of Australia on 24 June 2010 and served in that office until June Gillard was sworn in as the 27th Prime Minister of Australia on 24 June 2010 and served in that office until June Honourable Julia Gillard MP; 27th Prime Minister of Australia; In office 24 June 2010 – 27 June 2013: Monarch: Elizabeth II: Governor-General: Quentin BryceJulia Gillard is a former Prime Minister of Australia and the first woman to hold the position. To know more about her childhood