The first American woman in space was Sally Ride, during Space Shuttle Challenger's mission STS-7, on 18 June 1983.
ðə fˈɜːst ɐmˈɛɹɪkən wˈʊmən ɪn spˈeɪs wʌz sˈæli ɹˈaɪd, dˈʊɹɹɪŋ spˈeɪs ʃˈʌɾəl tʃˈælɪndʒɚz mˈɪʃən ˌɛstˌiːˈɛs sˈɛvən, ˌɔn ˈeɪtiːn dʒˈuːn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi θɹˈiː.