Question: When did the us go off the gold standard?

Disambiguated questions and answers:
context: The gold standard was suspended twice during World War I, once fully and then for foreign exchange. At the onset of the war, U.S. corporations had large debts payable to European entities who began liquidating their debts in gold. With debts to Europe falling due, the dollar to (British) pound sterling exchange rate reached as high as $6.75:£1, far above the nominal (gold) parity of 4.8665:1. This caused large gold outflows until July 31, 1914, when the New York Stock Exchange closed and the gold standard was temporarily suspended. In order to defend the exchange rate of the dollar, the US Treasury Department authorized state and nationally chartered banks to issue emergency currency under the Aldrich-Vreeland Act, and the newly created Federal Reserve organized a fund to assure debts to foreign creditors. These efforts were largely successful, and the Aldrich-Vreeland notes were retired starting in November and the gold standard was restored when the New York Stock Exchange re-opened in December 1914.
question: When did the us go off the gold standard temporarily for the first time?
short_answers: July 31, 1914
wikipage: History of the United States dollar

context: For as long as the United States remained neutral in the war, it remained the only country to maintain its gold standard, doing so without restriction on import or export of gold from 1915 to 1917. When the United States became a belligerent in the war, President Wilson banned gold export, thereby suspending the gold standard for foreign exchange. After the war, European countries slowly returned to their gold standards, though in somewhat altered form.
question: When did the us go off the gold standard temporarily for the second time?
short_answers: When the United States became a belligerent in the war

April 6, 1917
wikipage: History of the United States dollar

context: During the Great Depression, every major currency abandoned the gold standard. Among the earliest, the Bank of England abandoned the gold standard in 1931 as speculators demanded gold in exchange for currency notes or in settlement of debts, threatening the solvency of the British monetary system. This pattern repeated throughout Europe and North America. In the United States, the Federal Reserve was forced to raise interest rates in order to protect the gold standard for the US dollar, worsening already severe domestic economic pressures. After bank runs became more pronounced in early 1933, people began to hoard gold coins as distrust for banks led to distrust for paper money, worsening deflation and depleting gold reserves.
question: When did the us go off the gold standard temporarily for the third time?
short_answers: early 1933
wikipage: History of the United States dollar

context: No context provided
question: When did the us go off the gold standard permanently?
short_answers: August 15, 1971

Long answers:
long_answer: The US went off the gold standard for the first time on July 31, 1914. When the United States became a belligerent in the war, they were temporarily taken off the gold standard for the second time on April 6, 1917. The third temporary time being taken off the gold standard was in early 1933. Then, the US was taken permanently off the gold standard on August 15, 1971.