Introduction - And if the history...?

   The real meaning of history is very hard to explain in few words. Obviously, we cannot change the past history although its modification would have induced profound changes in the present history and consequently modify the future. Moreover, it is difficult to image the present word without the occurrence of some crucial features that have produced a dramatic impact in the life of a thousand people. For instance, the discovery of new word, the French and Russian revolutions, the Napoleon’s empire and the first and second war, all these events have built our word and are responsible for the way we live today. 

   What would have happened, for example, if Hitler had joined with Franco?