Which opera was composed first, Wozzeck or Boris Godunov?
Boris Godunov (opera):  The work was composed between 1868 and 1873 in Saint Petersburg, Russia. Boris Godunov (opera):  Its subjects are the Russian ruler Boris Godunov, who reigned as Tsar (1598 to 1605) during the Time of Troubles, and his nemesis, the False Dmitriy (reigned 1605 to 1606).
i don't know