Igor Sikorsky, a Russian engineer, built his first helicopter in 1909.
in the 1500's Leonardo Da Vinci drew one.....1784, Launoy and Bienvenue, french inventor created a toy that proved it was possible, however modern day helicopters are credited to Igor Sikorsky. Sikorsky's design is the design that all modern helicopters are based off of today.
Alana Goodie Inveted Texting
when and where computer first time inveted
Steve Jobs inveted apple computers. he inveted everthing apple
me
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i did
They fly helicopters.
Maya
1972
It is unknown.
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