challenge: What event occurred on 19 February 1971 at 07:00 in Arnavutköy?
  
  A. Çayan and Bardakçı merged their guerrilla units
  B. The THKC launched a successful attack on the government
  C. Bardakçı was killed
  D. Bardakçı was appointed as the leader of the rural guerrilla units
  Answer: 