Afghanistan became an independent state when Amanullah established an alliance and signed a treaty of friendship with the Soviet Union. Hope this helps if you have any questions please feel free to message me;)
The Internal Combustion Engine was an invention of a British Engineer named Edward Butler in 1884. He was also the first person to use the word 'petrol' which we now know as petroleum or gas.
Answer: May 16, 1918
Explanation: I just know....duh
