Thursday, October 24 : the Wall Street Stock Exchange crashes, the greatest economic crisis of the 20th century suddenly breaks out. Fueled by the idea that everyone can get rich without limits, it puts a final stop to the euphoria of the 1920s. America is then caught in a devastating cycle which spreads around the world a few months later like a malign infection. Calling on renowned historians and economists, William Karel conducts an incredibly detailed analysis of the economic and financial mechanisms that lead to the crash of Wall Street and then to the Great Depression of the 1930's.