The empire ruled by Genghis Khan was the Mongol Empire, which became the largest contiguous empire in history. Founded in the early 13th century, it expanded rapidly across Asia and Europe due to Genghis Khan's military strategies, diplomacy, and incorporation of conquered peoples. The Mongol Empire was known for its efficient administrative system and its promotion of trade along the Silk Road, which fostered cultural exchange between East and West. Genghis Khan's unification of the Mongolian tribes and establishment of a vast empire laid the groundwork for the Mongol governance that lasted for generations.