One of Napoleon's greatest achievements was the Napoleonic code. He also started the Italian unification and he became the Emperor of France.
A List of Some of Napoleon's Acheivements:
~Spread French Revolutionary ideas such as democracy and equality, with worth based off merit, not birth
~Unification of Germanic states, and a good chunk of Europe
~Establishment of the Code Napoleon, which is partially still in use today in France, Quebec and parts of the US
~Restoring order within France by stabilizing the economy, revamping the French education system, and developing infrastructure by making roads, draining swamps, and building hospitals and orphanages.
~Also built off of the revolutionaries with his skillful use of Propaganda
the continental system
Trafalgar, a battle he lost to the English due to his crossing of the T's (naval tactic) and their flag communication.
The two greatest achievements in Rome are in the areas of architecture and law.
That that was called "the perfect battle", the Battle of Austerlitz, which had been carried out exactly as planned by Napoleon. In my opinion also the first part of the same campaign, that is the "manoeuvre on Ulm", which led to the encirclement and surrendering of an Austrian army of 50,000 men under Gen. Mack in Ulm is worth of being recorded as a component of the aforesaid greatest military accomplishment.
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the Napoleonic Code
Many people would consider that the creation of the Code Napoleon, which is a body of law that remains part (but is not all) of the French legal system to this day, is among his greatest achievements.
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the continental system
Trafalgar, a battle he lost to the English due to his crossing of the T's (naval tactic) and their flag communication.
Their greatest achievements were made in Mathematics and Medicine/engineering.
what is Bill Gates greatest achievements
There are a number of achievements that Serena Williams may consider her greatest. Some consider her fame her greatest achievement.
Montesquieu's greatest achievements include his contributions to political theory, particularly his concept of the separation of powers and his exploration of the importance of political institutions in maintaining liberty. His work, "The Spirit of the Laws," remains a foundational text in the fields of political science and law, influencing the development of democratic government systems. Additionally, Montesquieu's ideas on the balance of power between different branches of government have been influential in shaping constitutional frameworks around the world.
one of his greatest achievements were he was the first European astronomer to change the medieval belief system =)
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One of Liberia's greatest achievements is having the first Women president (Ellen Johnson) on the continent of Africa.