Who invented the Aeroplane, jet engine | Avishkar

Invention	Year	Inventor	country
Aeroplane, jet engine	1939	Ohain	Germany

"Gk Jankari" is provide "General Knowledge" or Gk ki Jankari is tell about "Aeroplane", jet engine or Invention And Discovery  who invented the Aeroplane,jet engine in which year who is inventor of Aeroplane,jet engine and Aeroplane,jet engine is invented in which Year "Avishkar" "gkjankari"