ˈoʊk ˈæpəl dˈeɪ ɔːɹ ɹˈɔɪəl ˈoʊk dˈeɪ ɪz ɐ fˈɔːɹmɚ pˈʌblɪk hˈɑːlɪdˌeɪ ɪn ˈɪŋɡlənd ˌɔn twˈɛnti nˈaɪn mˈeɪ ðæt kəmˈɛmɚɹˌeɪɾᵻd ðə ɹˌɛstɚɹˈeɪʃən ʌv tʃˈɑːɹlz ɹˌoʊmən tˈuː ɪn wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd sˈɪksti.
Oak Apple Day (or Royal Oak Day) is a former public holiday in England on 29 May that commemorated the Restoration of Charles II in 1660.