In what year was the writer of the opera "Mazeppa" born?
Mazeppa (opera): Mazeppa, properly Mazepa (Russian: Мазепа ), is an opera in three acts (six scenes) by Pyotr Ilyich Tchaikovsky. Pyotr Ilyich Tchaikovsky: Pyotr Ilyich Tchaikovsky ( ; Russian: Пётр Ильи́ч Чайко́вский ; 25 April/7 May 1840 – 25 October/6 November 1893), often anglicized as Peter Ilich Tchaikovsky, was a Russian composer of the romantic period, some of whose works are among the most popular music in the classical repertoire.
1840