1
The aparition of human beings gave place to the historical period named...
2
The event that marked the end of the Prehistory and the beginning of the Ancient Times was the invention of ...
3
In 1492 Christopher Colombus discovered...
4
B.C. means .......... Christ
5
The Middle Ages started because of the ......Roman Empire collapsed
6
The beginning of the Contemporary Times is marked by the .......... revolution
7
a.c means .......... Christ
