ANSI was most likely formed in 1918, when five engineering societies and three government agencies founded the American Engineering Standards Committee (AESC).
ˈænsi wʌz mˈoʊst lˈaɪkli fˈɔːɹmd ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪtiːn, wˌɛn fˈaɪv ˌɛndʒɪnˈɪɹɪŋ səsˈaɪəɾiz ænd θɹˈiː ɡˈʌvɚnmənt ˈeɪdʒənsiz fˈaʊndᵻd ðɪ ɐmˈɛɹɪkən ˌɛndʒɪnˈɪɹɪŋ stˈændɚdz kəmˈɪɾi ˈiːsk.