33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
2255922
186228
2
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Receber premium
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Acordo
Privacidade
FAQ
Support 24/7
Cabinet
Get premium
Donate
13 maio 1940 ano - First untethered Helicoptered flight
Descrição:
Igor Sikorsky successfully tests an untethered helicopter
Adicionado na linha do tempo:
Flight Timeline
By
William Ferris
30 nov 2018
0
0
304
Data:
13 maio 1940 ano
Agora
~ 85 years ago
About & Feedback
Acordo
Privacidade
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
