Speculates what may have happened if nine major events did not occur, asking such questions as, "What if there had been no American Revoultion?" and "What if John F. Kennedy had lived?"

Virtual history : towards a "chaotic" theory of the past /Niall Ferguson -- England without Cromwell : what if Charles I had avoided the Civil War? / John Adamson -- British America : what if there had been no American Revolution? / J.C.D. Clark -- British Ireland : what if home rule had been enacted in 1912? / Alvin Johnson -- Kaiser's European Union : what if Britain had "stood aside" in August 1914? / Niall Ferguson -- Hitler's England : what if Nazi Germany had invaded Britain in May 1940? / Andrew Roberts -- Nazi Europe : what if Nazi Germany had defeated the Soviet Union? / Michael Burleigh -- Stalin's war or peace : what if the Cold War had been avoided? / Jonathan Haslam -- Camelot continued : what if John F. Kennedy had lived? / Diane Kunz -- 1989 without Gorbachev : what if Communism had not collapsed? / Mark Almond -- Virtual history, 1646-1996 / Niall Ferguson.