With a twist of fate - and of historical fact - Gallipoli was a military success, Australia had a female prime minister in the 1920s and Gough Whitlam chose his time to retire from the top job. In Victory on Gallipoli and Other What-ifs of Australian History, prominent historians contemplate how Australia today could have been a very different place but for a decision made or not made, an opportunity taken or not taken. These are the nation's sliding door moments, our alternative history. The Cold War had the world teetering on the edge of mutually assured destruction. What if it had heated up? What if the 1951 referendum to outlaw the Communist Party had been successful? Would Australia have had its own McCarthy era and where would we be today? With essays by Janette Bomford, Guy Hansen, Carolyn Holbrook, Walter Kudrycz, Michael McKernan, Ross McMullin, Hamish Maxwell-Stewart, John Maynard, Michael Molkentin, Roslyn Russell, Peter Stanley, Craig Wilcox and Clare Wright.