The single largest organization of anthropologists is the American Anthropological Association (AAA), which was founded in 1903.
ðə sˈɪŋɡəl lˈɑːɹdʒɪst ˌɔːɹɡɐnᵻzˈeɪʃən ʌv ˌænθɹəpˈɑːlədʒˌɪsts ɪz ðɪ ɐmˈɛɹɪkən ˌænθɹəpəlˈɑːdʒɪkəl ɐsˌoʊsɪˈeɪʃən ˌeɪˌeɪˈeɪ, wˌɪtʃ wʌz fˈaʊndᵻd ɪn nˈaɪntiːnhˈʌndɹɪd θɹˈiː.