Question

ヾ(￣▽￣) ~ Please answer: When was the renaissance period? And Who invented helicopter?

Answer 1

Explanation:

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1. There is some debate over the actual start of the renaissance. However it is generally believed to have begun in Italy,during the 14th century, after the end of the middle ages and reached its height in the 15th century. The renaissance spread to the rest of Europe in 16th and 17th century.
2. Helicopter was invented by PAUL CORNU,, ARTHUR M.YOUNG and IGOR SIKORSKY...

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Answer 2

Answer:

It wasn't until the late 1930s that helicopters became reliable machines of flight. Igor Sikorsky, a Russian-American designed and flew the Vought-Sikorsky VS-300, the first viable helicopter, which pioneered the rotor configuration used by most helicopters today