Filters:
Group: Northern Wei, Xianbei, or Tuoba Empire
People: Emperor Xiaojing of Eastern Wei
Topic: Mongol Invasion of Europe
Location: Ratiaria Mikhaylovgrad Bulgaria

Ratiaria Mikhaylovgrad Bulgaria

Years: 75BCE - 75BCE

"Biology is more like history than it is like physics. You have to know the past to understand the present. And you have to know it in exquisite detail."

― Carl Sagan, Cosmos (1980)