What significant about Thomas Jefferson, Napoleon Bonaparte, Andrew Jackson, and george Washington?

All four names listed are important people in shaping America and Europe's history. Thomas Jefferson was the third president of the united States of America during 1801 to 1809. He is known to be America's Founding Father with his association to the Declaration of Independence. Napoleon Bonaparte was a French Emperor from 1804 to 1814. His tactical strategies on battles always lead him to winning all throughout Europe which specifically started during French Revolution. Andrew Jackson was the seventh president of USA during 1829 to 1837 known in preserving the Union. George Washington was the first US president on 1789 to 1797 and US' founding father.