ðɪ ˌaɪˌɛfdˈʌbəljˌuː hˈɛld ɪts fˈɜːst ˈænjuːəl kənvˈɛnʃən ɪn mˈɔːlvɚn, pˌɛnsɪlvˈeɪniə ɪn dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɛvən, ðˌoʊ ɪt wʌz ˈoʊnli ɐ jˈɪɹ lˈeɪɾɚ wɛn ɡˈæɹi dʒˈaɪɡæks hˈoʊstᵻd ðɪ ˈænjuːəl kənvˈɛnʃən ˌɔn bᵻhˈæf ʌvðɪ ˌaɪˌɛfdˈʌbəljˌuː ɪn hɪz hˈoʊm tˈaʊn ʌv lˈeɪk dʒənˈiːvə, wɪskˈɑːnsɪn, ðætðə lˈeɪk dʒənˈiːvə wˈɔːɹɡeɪmz kənvˈɛnʃən dʒˈɛn kˈɑːn wʌz bˈɔːɹn.
The IFW held its first annual convention in Malvern, Pennsylvania in July 1967, though it was only a year later when Gary Gygax hosted the annual convention on behalf of the IFW in his home town of Lake Geneva, Wisconsin, that the Lake Geneva Wargames Convention (Gen Con) was born.