Genghis Khan controlled a significant territory.
Genghis Khan . After founding the Empire and being proclaimed `` Genghis Khan '' , he started the Mongol invasions that conquered most of Eurasia . The Mongol Empire ( Mongolian : Mongolyn Ezent Güren ; Mongolian Cyrillic : Монголын эзэнт гүрэн ; [ mɔŋɡ ɮˈiːŋ ɛt͡sˈɛnt ˈɡurəŋ ] also Орда ( `` Horde '' ) in Russian chronicles ) existed during the 13th and 14th centuries and was the largest contiguous land empire in history . Mongol invasions and conquests took place throughout the 13th century , resulting in the vast Mongol Empire , which by 1300 covered much of Asia and Eastern Europe .