Vladimir Lenin Largely responsible for the spread of communism in the 20th century.
Isabella of Castille I and Ferdinand II of Aragon Their dual leadership of todays Spain formed the basis of a Major power which would colonize South America.
John Adams Drev den Amerikanske revolution som politiker i den kontinentale kongress. (Om end jeg selv ville have stemt på Jefferson). Forsvarede britiske styrker som advokat før revolutionen.
Adolf Hitler United Germany under the banners National Socialism, he was a skillfull and talented leader. Though sometimes his choices were poor.
Alexander The Great Beside creating a huge Empire from tiny Macedonia, he also founded Alexandria and founded the Egyptian empire which would become a subject of Rome much much later on.
Genghis Khan He famously concoured much of the world, but didn't build or create much which lasted. Though his actions would have major impacts on the development of the world.
Napoleon Bonaparte An excellent military campaigner, took France away from a democratic path and was decidedly bad-ass, an excellent leader indeed.
Charlemagne For invading and conquering France, Germany, Italy (some) and Spain (some), as well being crowned emperor of Romans. Unfortunately his heirs did not posses the his leadership and his empire quickly collapsed.