Mongol Empire: The Mongol Empire was the largest contiguous land empire in history, founded by Genghis Khan in the early 13th century. It stretched from Eastern Europe across Asia.
Black Death: The Black Death was one of the deadliest pandemics in human history caused by the bacterium Yersinia pestis. It resulted in widespread death and social upheaval throughout Europe.
Renaissance: The Renaissance was a period of renewed interest in art, culture, literature, science, and exploration that spanned from the 14th to the 17th centuries. It marked a transition from medieval to modern times.