The US wasn't an independent nation until 1776, and even so, the Americas were not discovered until 1492. So the 400s population of the area that is now the US is unknown.
410
The plane is called Air Force One. It is actually more than one plane.They are Boeing 747-400s .
Attila the Hun
the franks
no
In summer it's Boeing 747-400s....In winter it's Boeing 777-300ERs or Boeing 747-400s or sometimes A340-300s.
The 400s AD, after the fall of Rome.
There are around in the 400s of Savannah's' ON EARTH!!
7,802 Formulas in '72.
no
Hippocrates discovered medicine in 400s BC.
during the 400s and 300s BC