Answer:
-Da Vinci was first trained as a musician, a lyre player to be exact, and was simply homeschooled.
-He trained under the Florentine painter Andrea del Verrocchio and spent days observing nature, which prominently featured in his works.
-Leonardo was known to have been able to write with one hand and draw with another at the same time.
-He developed a system of writing backwards to note down his important findings and to hide secret messages, decipherable only through a mirror.
-A theory suggests that Mona Lisa was being entertained by clowns and musicians while Leonardo was painting her.
-Apart from his amazing paintings, Leonardo also made extensive detailed drawings of helicopters, aeroplanes, parachutes, armored tanks, automatic rifles, and other lethal siege weapons.
-He was arrested along with several of his male companions on the allegations of sodomy, a crime punishable by death in 15th century Florence. (His case was dismissed)
-He trained under the Florentine painter Andrea del Verrocchio and spent days observing nature, which prominently featured in his works.
-Leonardo was the love child of a lawyer by the name of Ser Piero and a peasant named Caterina.
-Leonardo was almost executed.
:)