Gygax created the Castle & Crusade Society special interest group as part of the International Federation of Wargamers, inspired by his enthusiasm for medieval warfare.
dʒˈaɪɡæks kɹiːˈeɪɾᵻd ðə kˈæsəl ænd kɹuːsˈeɪd səsˈaɪəɾi spˈɛʃəl ˈɪntɹɛst ɡɹˈuːp æz pˈɑːɹt ʌvðɪ ˌɪntɚnˈæʃənəl fˌɛdɚɹˈeɪʃən ʌv wˈɔːɹɡeɪmɚz, ɪnspˈaɪɚd baɪ hɪz ɛnθˈuːziˌæzəm fɔːɹ mˈɛdɪˌiːvəl wˈɔːɹfɛɹ.