The first temple building dates to 431 BC, and was dedicated to Apollo Medicus (the doctor), after a plague of 433 BC.
ðə fˈɜːst tˈɛmpəl bˈɪldɪŋ dˈeɪts tə fˈoːɹhˈʌndɹɪd θˈɜːɾi wˈʌn bˌiːsˈiː, ænd wʌz dˈɛdᵻkˌeɪɾᵻd tʊ ɐpˈɑːloʊ mˈɛdɪkəs ðə dˈɑːktɚ, ˈæftɚɹ ɐ plˈeɪɡ ʌv fˈoːɹhˈʌndɹɪd θˈɜːɾi θɹˈiː bˌiːsˈiː.