Many factors had contributed to the extremely successful military campaigns of the Mongols in the past, but there was one that their cavalry could hardly ignore before battle.
Researchers first detailed the capital city built by Genghis Khan in central Mongolia 800 years ago.
The bloodiest casualties in human history have claimed millions and tens of millions of lives.
The history of the world until now has seen many empires and dynasties, however, there are a number of empires that exist for a long time and are extremely powerful.
A sudden hurricane and storm surged to help the Japanese escape the danger situation before the invasion of the Mongols.
Many battles in history gave unexpected results by the intervention of the weather.