Some eleven to twelve million Africans were forcibly carried to the Americas. Of those, roughly one-half million (or about 4.5 percent) were taken to mainland North America or what became the United States.
Ptolemaic dynasty occurred closest to the Common era. This era lasted from 305 BC to 30 BC.
The GDR stated it was constructed as an "antifascist protection mechanism" in order to keep out external threats and keep the east Berliners safe in their "Socialist Paradise" but in reality it was to keep people in since many were trying to emigrate out of the communist zone and the GDR would fall because of emigration.