Napoleon conquered countries thanks his strategic Genius, the superior and innovative tactical methods of French Army and the ideas of French Revolution they spread throughout Europe.
Hitler conquered countries thanks the superior, innovative tactical methods, strategic calculated risk and total war employed by the German Army and their Commanders.
Hitler was not a military Genius like Napoleon. He had, now and then, some lucky insights , but generally his decisions as Supreme Commander led to the defeat of the Germany.
Queen Victoria....
Napoleon and Hitler were not related. Napoleon was Corsican and Hitler was an Austrian German
No single individual or nation has conquered all of Europe. However, a few have come close. The Romans conquered everything but Scandinavia, Napoleon conquered all but Eastern Europe and Great Britain, and Hitler conquered all except Spain, Protugal, Sweden, Switzerland, and Great Britain.
They probably shared some personality traits and both were known as strong leaders within their countries. Both wanted to invade the UK. Napoleon was a genuine General and Hitler was a genuine despot.
There is only one Napoleon and there is only one Hitler.
Both Napoleon and Adolf Hitler made the mistake of taking on the might of Russia, and both were defeated mainly by the Russia winter. Their final defeats came about because other countries came together to form an allied force and fight against Napoleon and Hitler.
Hitler actually admired and respected Napoleon even though he was French.
Hitler
In the first year of World War II, a variety of countries bordering the seas to the west and north of Germany were quickly conquered by Hitler and his armies. These countries, all conquered in 1940, were as follows: Denmark, Norway, the Netherlands (home-territories), Belgium (home-territories), and France.
Austria and the Sudetenland Austria wasn't given to Germany, Germany conquered it
Sudetenland was giving to Germany whiles Austria was conquered by Germany
Many rulers have ruled over numerous countries. Some examples include Queen Elizabeth II, Napoleon, Hitler, and King George VI.