When war broke out in 1914 Australia had been a federal commonwealth for only fourteen years. The new national government was eager to establish its reputation among the nations of the world. In 1915 Australian and New Zealand soldiers formed part of the allied expedition that set out to capture the Gallipoli peninsula to open the way to the Black Sea for the allied navies. The plan was to capture Constantinople (now Istanbul), capital of the Ottoman Empire and an ally of Germany. They landed at Gallipoli on 25 April, meeting fierce resistance from the Turkish defenders. What had been planned as a bold stroke to knock Turkey out of the war quickly became a stalemate, and the campaign dragged on for eight months. At the end of 1915 the allied forces were evacuated after both sides had suffered heavy casualties and endured great hardships. Over 8,000 Australian soldiers were killed. News of the landing at Gallipoli made a profound impact on Australians at home and 25 April quickly became...