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Leonardo Da Vinci was born on April 15, 1452. He was died on May 2, 1519.

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The people in Leonardo's family were Ser Piero ( Dad) and Caterina (Mom). He had 12 siblings ( 3 sisters and 9 brothers).

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Da Vinci was an architect, musician, engineer, scientist, inventor, and painter. He designed a lot of the fist things that we have today in modern technology. He has two famous paintings that we admire today called the Mona Lisa and The Last Supper. His greatest invention is the flying machine even though a helicopter wasn't built until the 1940's. He was raised in Italy and Florence.

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Gunpowder was early at the time but Da Vinci used it in many of his designs and creations as a prediction to later warfare when it would be used more.

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The design was three thin cannons front loaded and adjustable and height. The wheels and weight would allow it to move in battle.

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We needed better mobility in war so he invented it. Cannons were mainly stationary and so he invented the triple barrel so we could take them anywhere.

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Leonardo invented the triple barrel cannon.