May 15, 1940 in History
Event:
1st successful helicopter flight in US: Vought-Sikorsky US-300




Related Topics:
Flight
helicopter
successful
US

Related Year:
1940

Related Events:
May 15





 More Notable Events on May 15:
1988 Moscow began withdrawing its 115,000 troops in Afghanistan
1948 Egypt, Lebanon, Syria, Iraq and Saudi Arabian troops attack Israel
1940 1st nylon stockings sold in U.S.
1928 Mickey Mouse made his 1st appearance
1905 Las Vegas, Nevada founded