Archaeologists in Turkey have discovered the remains of an ancient palace that may have belonged to Hulagu Khan, a grandson of Genghis Khan.The site in eastern Turkey's Van province, in the Caldiran district, is currently being excavated.Hulagu Khan, a Mongol warlord who lived from about 1217 to 1265, achieved military renown for leading several expeditions, including the sack of Baghdad in 1258.After the Mongol Empire splintered in 1259, Hulagu Khan became the ruler of the Mongol Ilkhanid State in the Middle East, which at its height included territory in what is now Iran, Azerbaijan, Turkey, Iraq, Syria, Armenia, Georgia, Afghanistan,...