Did leonardo da vinci actually created the helicopter?

He did not actually build a helicopter but he drew out the plans for one. Naturally, it didn't have a gasoline engine - but he had the theory right. It was only one of numerous inventions da vinci touched upon, but none of which would actually come into being until centuries later. He is one of the reasons people continue to make arguments for time travel - it was almost as though he had had a glimpse into the future...