Complex sentence: In 1893, Taffanel became Professor of Flute at the Conservatoire.Ironically, news of Taffanel's appointment was printed in the same issue of "Le Ménestrel" that carried Tchaikovsky's obituary notice.
Split into simpler sentences: In 1893, Taffanel became Professor of Flute at the Conservatoire. It happened that news of Taffanel's appointment was printed in the same issue of "Le Ménestrel" that carried Tchaikovsky's obituary notice.