Deakin Research Online This is the published version: Simpson, Ian and Halse, Christine 2007-04, The fourth dimension : the development of the 1998 New South Wales mandatory history syllabus, Curriculum perspectives, vol. 27, no. 1, pp. 1-14. Available from Deakin Research Online: http://hdl.handle.net/10536/DRO/DU:30035008 Reproduced with the kind permission of the copyright owner. Copyright : 2007, Australian Curriculum Studies Association