One built the largest contiguous land empire the world has ever seen from the saddle; the other rose from revolution to dominate Europe and rewrite its laws. Genghis Khan and Napoleon never shared a battlefield or a century, but as conquerors they invite the comparison. Here they are, side by side.
Head to head
| Genghis Khan | Napoleon | |
|---|---|---|
| Lived | c. 1162 to 1227 | 1769 to 18211 |
| Role | Founder and Great Khan of the Mongols | Emperor of the French and general |
| Greatest triumph | Uniting the steppe and conquering much of northern China | Austerlitz, 1805 |
| At its height | The largest contiguous land empire in history (with his heirs) | Master of most of Europe |
| Battle record | Rarely beaten in a lifetime of conquest | Won most of his battles, then lost at the end |
| Undoing | Died on campaign in 1227; the empire split among his heirs2 | Russia in 1812 and the coalitions; fell at Waterloo3 |
| Lasting legacy | Reshaped Eurasia, its trade and its peoples | The Napoleonic Code and modern warfare4 |
Genghis Khan: the empire from the steppe
Genghis Khan united the warring tribes of Mongolia and turned them into the most formidable army of the age, mobile, disciplined and merciless. He conquered much of northern China and Central Asia, and the empire he founded grew under his heirs into the largest contiguous land empire in history5, from the Pacific toward the gates of Europe.

Napoleon: the master of Europe
Napoleon rose from the French Revolution to dominate a continent, winning masterpieces like Austerlitz in 1805 and reshaping law, the state and the art of war4. He fought coalition after coalition until the invasion of Russia in 1812 broke his army3 and Waterloo in 1815 ended him for good1.

The verdict
By sheer scale Genghis Khan conquered far more: the Mongol empire dwarfed anything Napoleon held, though it reached its greatest extent under his heirs. Napoleon fought more battles against tougher, better-organised enemies, and left behind laws and institutions that still shape the modern world. One was the supreme conqueror of land, the other the supreme reformer-general.

Compare more in Napoleon vs Alexander and Genghis Khan vs Alexander, or meet the field in the greatest military commanders.
Sources
Each commander above has a full biography on this site, with its own sources. Judgements of who was "greater" are ours and openly a matter of debate; the facts and dates follow established histories. See our editorial approach.
