1) The First Big Short was when George Soros Short-Selling the English Pound in 1994 and got profits with the amount of 2,000 Million USD.
2) The Second Big Short was when John Paulson Short-Selling the Subprime Asset in 2008 and got profits with the amount of 12,000 Million USD. This Second Big Short was considered to be the biggest Big Short in the World History.