Today, one of the most actual themes of debate is the Great Depression of 1929-1933 and many compare those dark days to the current financial crisis facing the world. The Great Depression remains to this day one of the darkest and mysterious events of the 20th century.. Why did the American stock market crash in 1929? How did the Roosevelt administration exit this financial hole and at what cost? And are we really facing such a catastrophic collapse in the financial system?