The correct answer is the Chauri-Chaura incident. Chauri Chaura incident took place on 4th February 1922. A violent incident took place where a large crowd of peasants set on fire a police station that killed 22 policemen. Due to the Chauri-Chaura incident, Mahatma Gandhi called off the Non-Cooperation Movement (1920-1922). Chauri Chaura is a town in the Gorakhpur district of Uttar Pradesh. Jallianwala Bagh incident took place on 13th April 1919 at Amritsar, Punjab. The crowd of nonviolent protesters, along with Baisakhi pilgrims who had gathered in Jallianwala Bagh was fired by General Reginald Dyer and his troops. The peaceful protest was done due to the arrest and deportation of two national leaders Satyapal and Saifuddin Kitchlew. The Hunter Commission was appointed to look into the case. On 13th March 1940 in London Reginald Dyer aged 75 years was shot dead by Udham Singh. Bengal Partition was announced on 19th July 1905 and it was implemented on 16th October 1905. Lord Curzon the British superior was responsible for the partition of Bengal. The reorganization separated the largely Muslim eastern areas from the largely Hindu western areas. The Bengal was reunited by Lord Hardinge in 1911. The Bengal Presidency encompasses Bengal, Bihar, Parts of Chattisgarh, Orissa, and Assam. Kakori Conspiracy is also known as the Kakori train robbery or Kakori case. It took place on 9th August 1925. It was a train robbery that took place between Kakori and near Lucknow during the Independence movement of India against the British Indian Government. The robbery was organized by the Hindustan Republican Association (HRA). The Revolutionaries such as Ashfaqullah Khan, Chandra Shekhar Azad, Ram Prasad Bismil, Roshan Singh, and Rajendra Lahiri were all associated with the Kakori Conspiracy Case.