ɹᵻkˈoːɹdᵻd ɪn swˈɪs hˌɪstoːɹɪˈɑːɡɹəfi fɹʌmðə fˈɪftiːnθ sˈɛntʃɚɹi, ðɪ ˈoʊθ ɪz nˈoʊɾəbli fˈiːtʃɚd ɪnðə nˈaɪntiːnθ sˈɛntʃɚɹi plˈeɪ wˈɪljəm tˈɛl wˈɪlhɛlm tˈɛl baɪ fɹˈiːdɹɪtʃ ʃˈɪlɚ.
Recorded in Swiss historiography from the 15th century, the oath is notably featured in the 19th century play William Tell (Wilhelm Tell) by Friedrich Schiller.