The Mongol Invasion refers to a series of military campaigns led by the Mongol Empire in the 13th century. Under the leadership of Genghis Khan, the Mongols aimed to expand their territory and influence. They were known for their exceptional horse-riding skills and innovative battle tactics, which allowed them to conquer vast regions across Asia and Europe. As the Mongols invaded, they often employed brutal strategies, including siege warfare and psychological tactics to instill fear in their enemies. The invasions resulted in the fall of many cities and empires, significantly altering the political landscape of the time and leaving a lasting impact on world history.