The Mongolian Empire was the largest contiguous empire in history, founded in the early 13th century by Genghis Khan. It expanded rapidly across Asia and into Europe, uniting various tribes and cultures under a single rule. The empire was known for its skilled horsemen and innovative military strategies, which allowed it to conquer vast territories. At its height, the Mongolian Empire stretched from Eastern Europe to the Sea of Japan, facilitating trade and cultural exchange along the Silk Road. The empire's legacy includes advancements in communication, governance, and the spread of ideas, which significantly influenced the regions it encompassed.