never
Leonardo didn't discover it... Fibonacci did.
400 years ago
The Mona Lisa
Leonardo Da Vinci
he didnt
A place
Leonardo da Vinci
All the human organs were known before Leonardo's time. The novelty was that he made sketches of them.
Leonardo da Vinci did not discover friction, as it was already known in his time. However, he did study and make observations on the effects of friction in his work as an artist, engineer, and scientist. Leonardo's sketches and writings show his understanding of how friction influenced the movement of objects and the functioning of machines.
when was oil discover
well china has lots of panting there is the wiki panting and the
Hugo Chavez did not discover oil. Venezuela has been a leading oil producer for years BEFORE Chavez.