World Anaesthesia Day is observed on October 16 in remembrance of W.T.G. Morton, who made the first successful official demonstration of ether as an anaesthetic on this date 173 years ago.

• The day strives to raise awareness about the importance of anaesthesia in medical treatments. It also supports anaesthesia providers around the world to celebrate their profession.
• The discovery of anaesthesia helps patients undergo surgical treatments without any pain. Therefore, it is considered to be significant in the history of medicine.
• The theme for World Anaesthesia Day 2023 is 'Anaesthesia and Cancer Care.'
• This theme tries to raise awareness about the pivotal role of anaesthesia in cancer treatments. It also attempts to strengthen anaesthesia services to enhance treatment for cancer.