On this day: 1940

On the 24th May, 1940 Ukrainian-born Igor Sikorsky performed the first successful single-rotor helicopter flight.

Sikorsky I.I. aviakonstruktor 1914. Karl Bulla.

Sikorsky in 1914

Sikorsky was born in Kyiv (or Kiev), Ukraine on the 25th of May, 1889.

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One thought on “On this day: 1940

  1. ruthhill74 says:

    Thanks for sharing. I always love history.

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