Question: When was the first helicopter made and flown?
Disambiguated questions and answers: question: When was the first transverse twin-rotor helicopter made and successfully flown?
When was the first manned helicopter made and flown at a height of 2 ft for 1 minute?
When was the first truly free helicopter made and flown with a pilot?
When was the first turbine-powered helicopter made and flown?
answer: 26 June 1936
1907
sometime between 14 August and 29 September 1907
13 November 1907
11 December 1951
question: When was the first helicopter made?
When did the first helicopter fly?
answer: 1861
1878
Natural Questions answer: 1936 (from the Wikipedia article "Helicopter")