Today In History (May 24 1940) Igor Sikorsky

"Today In History" daily archive from National Vanguard
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WhiteHealer

Today In History (May 24 1940) Igor Sikorsky

Post by WhiteHealer » Wed May 24, 2023 12:28 pm

TODAY IN HISTORY
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1940: Igor Sikorsky performs the first successful single-rotor helicopter flight.

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