What is the year of the event which occured first, Yvgenie was published, or Carolyn Cherry was born?
Yvgenie: Yvgenie is a fantasy novel by American science fiction and fantasy author C. J. Cherryh. Yvgenie:  It was first published in October 1991 in the United States in a hardcover edition by Ballantine Books under its Del Rey Books imprint. C. J. Cherryh: Carolyn Janice Cherry (born September 1, 1942), better known by the pen name C. J. Cherryh, is an American writer of speculative fiction.
1942