Dmitri Mendeleev claimed that he arranged his first periodic tables (first published on March 6, 1869) in order of atomic weight ("Atomgewicht").
dəmˈiːtɹi mˈɛndɪlˌiːv klˈeɪmd ðæt hiː ɚɹˈeɪndʒd hɪz fˈɜːst pˌiəɹɪˈɑːdɪk tˈeɪbəlz fˈɜːst pˈʌblɪʃt ˌɔn mˈɑːɹtʃ sˈɪks, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti nˈaɪn ɪn ˈɔːɹdɚɹ ʌv ɐtˈɑːmɪk wˈeɪt"ˈæɾəmdʒjˌuːɪxt".