Conversation so far:
how was Anton Rubinstein's early life?
Anton Rubinstein was born to Jewish parents in the village of Vikhvatinets in the Podolia Governorate, Russian Empire.
Where did Anton Rubinstein go to school?
Anton Rubinstein's mother, a competent musician, began giving him piano lessons at five, until the teacher Alexander Villoing heard and accepted Rubinstein as a non-paying student.
Did Anton Rubinstein further his music education?
Anton Rubenstein sought unsuccessfully to enroll at the Paris Conservatoire.

Question: what year was that again?
Self-contained rewrite: What year did Anton Rubinstein apply to the Paris Conservatoire?