sˈɪks pˈoʊlɪʃ ˈɑːfɪsɚz fɹʌm sˈuːlɪdʒˌaʊɛk wɜː mˈɜːdɚd baɪ ðə ɹˈʌʃənz ɪnðə lˈɑːɹdʒ kˈætɪn mˈæsəkɚɹ ɪn ˈeɪpɹəl mˈeɪ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi.
Six Polish officers from Sulejówek were murdered by the Russians in the large Katyn massacre in April–May 1940.