 <translate> On March 23, 1971, a proposal to lower the voting age to 18 years was adopted by both houses of Congress and sent to the states for ratification. The amendment became part of the Constitution on July 1, 1971, three months and eight days after the amendment was submitted to the states for ratification, making this amendment the quickest to be ratified.

Answer this question based on the passage: when did 18 year olds get the right to vote in the us? Okie... think carefully first, then make a decision: <yor> Ní March 23, 1971, àwọn ilé méjèèjì ní Ilé Ìgbìmọ̀ Aṣòfin gbé àbá kan tó sọ pé kí wọ́n dín ọjọ́ orí tí wọ́n fi lè dìbò kù sí ọdún méjìdínlógún, wọ́n sì fi ránṣẹ́ sáwọn ìpínlẹ̀ láti fọwọ́ sí i. Àtúnṣe náà di ara Òfin ní July 1, 1971, oṣù mẹ́ta àti ọjọ́ mẹ́jọ lẹ́yìn tí a fi àtúnṣe náà lé àwọn ìpínlẹ̀ lọ́wọ́ fún ìfọwọ́sí, èyí tí ó sọ àtúnṣe yìí di èyí tí a fọwọ́ sí ní kíákíá jùlọ.  Dáhùn ìbéèrè yìí ní ìbámu pẹ̀lú àyọkà náà: ìgbà wo làwọn ọmọ ọdún méjìdínlógún ní ẹ̀tọ́ láti dìbò ní orílẹ̀-èdè Amẹ́ríkà? Okie... ronú dáadáa kó o tó ṣe ìpinnu: 