In a television address, the president declared that the nation would no longer redeem internationally dollars for gold.  Since the dollar was the world's reserve currency, Nixon's closing of the "Gold Window" put the world on an irredeemable paper monetary standard.

The ramifications of the act continue to this very day. 

America's current financial mess, budget deficits, the reoccurring booms and busts, the decline of living standards (particularly the middle class), all have their genesis with Nixon's infamous decision in August, 1971.

Abandoning the last vestiges of the gold standard was the culmination of a long-term goal of the banksters, politicians, financial elites, and deceitful economists.  The first step was the establishment of the Federal Reserve in 1913 whose primary purpose was to allow its member banks to inflate the money supply without fearing the consequences – bank failures/panics, bank runs, recessions/depressions.  The Fed could, and still does, through the control of the money supply enrich itself, the government, and its aligned financial elites at the expense of the public at large.