context: Ganja rebellion [1] (Azerbaijani: Gəncə qiyamı) or Ganja anti-Soviet uprising (Azerbaijan: Gəncə antisovet üsyanı) [2] - a large armed anti-Soviet action by units of the 1st Infantry Division of the old Azerbaijani army, which occurred May 26–31 <1920> / b> years in the city of Ganja of the Azerbaijan Soviet Socialist Republic; the organizers were officers of the old army.
question: In what year did the Ganja rebellion take place?
answers.text: 1920