1940 Space & Exploration Events — Verified Historical Highlights | TakeMeBack.to

1940 Space & Exploration Events — Verified Historical Highlights

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1940 Space & Exploration Events — Verified Historical Highlights | TakeMeBack.to


  • 15 May First Successful Helicopter Flight in US: The Vought-Sikorsky US-300 completed the first successful helicopter flight in the United States, a pivotal moment in aviation technology and aerospace innovation.