Filters:
Group: Tennessee, State of (U.S.A.)
People: Sher Shah Suri
Topic: Islamic invasion of Gaul
Location: Ordu-Baliq Arhangay Mongolia

Ordu-Baliq Arhangay Mongolia

Years: 840 - 840

"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)