24/05/2014 by Sonya Heaney On this day: 1940 On the 24th May, 1940 Ukrainian-born Igor Sikorsky performed the first successful single-rotor helicopter flight. Sikorsky in 1914 Sikorsky was born in Kyiv (or Kiev), Ukraine on the 25th of May, 1889. AdvertisementShare this:TwitterFacebookLike this:Like Loading... Related
Thanks for sharing. I always love history.