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nov 4, 1939 - First practical helicopter was made.
Description:
Igor Sikorsky, a Russian-American inventor created the first practical to use helicopter called the VS-300 which was a single rotor aircraft.
Added to timeline:
Technology Timeline
By
Benjamin Snyder
3 May 2018
0
0
623
Date:
nov 4, 1939
Now
~ 86 years ago
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