The first Sun-class vessel,  (now Pacific World), entered service in 1995 and the last, Ocean Princess (now Queen of the Oceans) entered service in 2000.
ðə fˈɜːst sˈʌŋklˈæs vˈɛsəl,  nˈaʊ pɐsˈɪfɪk wˈɜːld, ˈɛntɚd sˈɜːvɪs ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈaɪv ænd ðə lˈæst, ˈoʊʃən pɹˈɪnsɛs nˈaʊ kwˈiːn ʌvðɪ ˈoʊʃənz ˈɛntɚd sˈɜːvɪs ɪn tˈuː θˈaʊzənd.