What was the first type of anesthesia used in surgery?

On October 16, 1846, the first successful public demonstration of the use of ether for surgical anesthesia was performed, making pain-free surgery possible. 
system
surgery main pehle prakaar ke sangyaaharan kaa upyog kya tha?

16 oktober, 1846 ko, sargical anaesthesia ke liye ether ke upyog kaa pehla safal saarvajanik pradarshan kiya gaya, jisase dard-mukt surgery sambhav ho gai.
user
surgery main istemaal hone vaale pehle prakaar kaa anaesthesia ether tha.
assistant
<|system|>
</s>
<|user|>
surgery main pehle prakaar ke sangyaaharan kaa upyog kya tha?

16 oktober, 1846 ko, sargical anaesthesia ke liye ether ke upyog kaa pehla safal saarvajanik pradarshan kiya gaya, jisase dard-mukt surgery sambhav ho gai.</s>
<|assistant|>
surgery main istemaal hone vaale pehle prakaar kaa anaesthesia ether tha.</s>
