At the beginning of the 13th century, Genghis Khan united most of the Mongolian tribes into one state under his own administration. He became the first Mongolian Khan and actually the most influential one. He was the first who organized the conquests to China, Middle Asia, Eastern Europe and Caucasus. That made it possible to determine Mongolian state and later empire as one of the most powerful institution of the Middle Age. What is more, the Mongol Empire was the largest country in the world history covering at the once over 38 million square meters (May).
The rise of the Mongol Empire started from its expansion to the Northern China. Specifically, they wanted to make a revenge for the shameful death of one the previous khans Ambaghai and other Mongolians. The war with Jin dynasty was considered as a sacred one. In 1211, Mongolian army could finally conquest the Jin empire and make the emperor Xuanzong sign a disadvantageous agreement in favor to Genghis Khan (May). This was a turning point in the history of the Mongol Empire as afterwards they started to successfully conquest Middle and Central Asia and expand further in the European direction.
The Mongol Empire lasted for almost two centuries, which is not that much if compare to Roman or Byzantium empires. The Mongol Empire stretched from the Pacific Ocean to the Black Sea and for a number of objective and subjective reasons, was divided into several independent khanates. And those, in turn, divided into even smaller states, often warring with each other. In the XV century a Turco-Mongol conqueror Tamerlane tried again to gather under a single hand all Mongolian possessions, but his life was too short for this purpose. Nevertheless, it had a huge impact on the development of many Asian regions. The significance and role of the Mongol Empire still haven't fully realized in the world history. Its appearance created a historical precedent and to a certain extent predetermined the emergence of new states and empires. For a long time in the life of different peoples and nations that emerged from the ruins of the Mongol Empire, preserved foundations, rules and regulations laid down by Genghis Khan and his successors. Also, during the Genghis Khan rule the mass migration of Iran tribes of Central Asia took place. It also resulted in the change of religion within different tribes. Also, Mongolians implemented the first alphabet and it is still partially used in the modern language.
May, Timothy. "The Mongol Empire In World History". World History Connected (2008): n. pag. Web. 14 May 2016. Accessed at http://worldhistoryconnected.press.illinois.edu/5.2/may.html