The Mongol Dynasty, also known as the Yuan Dynasty, was founded by Genghis Khan in 1271. During its reign, the dynasty expanded its territory to include China, Korea, and parts of Central Asia. The word "Mongol" is often used to refer to this period in history, but there are other synonyms that can be used. Some of the most commonly used synonyms include the Yuan Dynasty, the Mongol Empire, or the Great Khanate. Each of these terms references a specific aspect of the dynasty's rule, but they are all used interchangeably to refer to the period when the Mongols were in power.