Answer: (Detailed Solution Below)
Option C: 16 August 1946
Detailed Solution:
The correct answer is “16 August 1946”.
The Muslim League observed Direct Action Day on August 16, 1946, under the leadership of Mohammad Ali Jinnah.
The day was declared to demand a separate Muslim country after the British left the Indian subcontinent. The goal was to obtain Pakistan through violent means if legal means failed. Jinnah said that India would either be divided or destroyed.