Context : Karol Mikuli, often seen as Charles Mikuli (Armenian: Կարոլ Միկուլի or Կարոլ Պստիկյան; 20 October 1819 -- 21 May 1897) was an Polish pianist, composer, conductor and teacher. 
Answer : 21 May 1897
What is the date of death for Karol Mikuli?