Both the AFC and the NFC were created after the NFL merged with the American Football League (AFL) in 1970.
bˈoʊθ ðɪ ˌeɪˌɛfsˈiː ænd ðɪ ˌɛnˌɛfsˈiː wɜː kɹiːˈeɪɾᵻd ˈæftɚ ðɪ ˌɛnˌɛfˈɛl mˈɜːdʒd wɪððɪ ɐmˈɛɹɪkən fˈʊtbɔːl lˈiːɡ ˌeɪˌɛfˈɛl ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti.