This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
The “World Anesthesia day” is celebrated every year on: 
Select and explain. 
A. 16th October, B. 7thApril, C. 15th August, D. 1st December
A: 16th October
Answer: A: 16th October 
Explanation: None