Direction Action Day was celebrated on?

Explanation: Direct Action Day (also known as the 1946 Calcutta Killings) was a pivotal day of widespread communal rioting called by the All-India Muslim League to press its demand for a separate Muslim homeland (Pakistan) and to reject the British Cabinet Mission plan.

### Important Facts:

• Exact Date: August 16, 1946.
  


• Context: Following the breakdown of negotiations, Quaid-e-Azam declared, 'We shall have either a divided India or a destroyed India'.
  


• Outcome: Led to tragic mass violence in Calcutta, accelerating the British decision to partition India.