After Kublai's death in 1294, the Mongol Empire fragmented. ... It had begun to decline significantly in the mid-14th century, however, after outbreak of the Black Death and the murder of one of its rulers. The Golden Horde finally broke apart into several smaller territories in the 15th century.

What destroyed the Mongol Empire?

In 1304, the three western khanates briefly accepted the rule of the Yuan Dynasty in name, but when the Dynasty was overthrown by the Han Chinese Ming Dynasty in 1368, and with increasing local unrest in the Golden Horde, the Mongol Empire finally dissolved.

Why did the Mongols empire fall?

The empire began to split due to wars over succession, as the grandchildren of Genghis Khan disputed whether the royal line should follow from his son and initial heir Ögedei or from one of his other sons, such as Tolui, Chagatai, or Jochi.