Some info about RUSSIAN
Category
VARIOUS
Iolanta, Op. 69, by Henrik Hertz, a romanticised account of the life of Yolande de Bar. In the original Danish play, the spelling of the princess's name was "Iolanthe", later adopted for the otherwise unrelated Gilbert and Sullivan operetta of that name.[1] The play was translated by Fyodor Miller and adapted by Vladimir Zotov. The opera received its premiere on 18 December 1892 in Saint Petersburg.
Wikipedia contributors, "Iolanta," Wikipedia, The Free Encyclopedia,
ABOUT THE RUSSIAN LANGUAGE