Kaidu, born in the year twelve thirty, was a prominent politician and military leader during the thirteenth century. As a grandson of Ögedei Khan, he held a significant position within the House of Ögedei, becoming the de facto khan of the Chagatai Khanate, a crucial division of the vast Mongol Empire.
His rule extended over parts of modern-day Xinjiang and Central Asia, where he actively opposed his cousin Kublai Khan, who was instrumental in establishing the Yuan dynasty. This rivalry marked a significant chapter in the history of the Mongol Empire, showcasing the complex dynamics of power among its leaders.
Medieval chroniclers often confused Kaidu with Kadan, leading to historical inaccuracies, such as mistakenly placing him at the Battle of Legnica. It is important to note that Kadan was actually the brother of Güyük, making him Kaidu's uncle, further complicating the lineage and relationships within the Mongol leadership.