 <translate> The important part for answering this question is: On January 1, 1835, president Andrew Jackson paid off the entire national debt, the only time in U.S. history that has been accomplished. Final answer: January 1 , 1835. <yor> Apá pàtàkì tó máa jẹ́ ká rí ìdáhùn sí ìbéèrè yìí ni pé: Ní January 1, 1835, Ààrẹ Andrew Jackson san gbogbo gbèsè orílẹ̀-èdè náà, èyí sì ni ìgbà kan ṣoṣo tí wọ́n ṣe bẹ́ẹ̀ nínú ìtàn orílẹ̀-èdè Amẹ́ríkà. Ìdáhùn tó gbẹ̀yìn: January 1, 1835. 