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.

One thought on “On this day: 1940

  1. ruthhill74 says:

    Thanks for sharing. I always love history.

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