The Great Depression of America!
It all began with the economic recession in August 1929, but everything got worst on October 24th, 1929: The Black Thursday, or the Crash of Wall Street, Which affected all the world. Then a year later, Banks began to fail. The economy was dead, not only for the united states, but for the whole world. It stayed like that till World war 2 in 1939.
The answer is the dissociative identity disorder. This type of mental disorder is also known as the multiple personality disorder and is marked by at least 2 different personalities. An individual suffering from this could have 2 or more personality inside his/her body and might have a lot of trouble remembering the events that took place personality during these changes.
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