This video shows the borders and populations of each country in Europe, for every year since 400 BC.
Vassal states and colonies are not included in the count of a country's population.

Sources :

1. Population :
Angus Maddison (2003), Historical Statistic for the World Economy
http://www.ggdc.net/maddison/maddison...

Colin McEvedy & Richard Jones (1978), Atlas of World Population History
https://www.amazon.com/AtlasWorldPo...

Tacitus.nu
https://www.tacitus.nu/

2. Borders
EmperorTigerstar The History of Europe: Every Year
   • The History of Europe: Every Year  

EmperorTigerstar The History of the Middle East: Every Year
   • The History of the Middle East: Every...  

Ollie Bye The History of Africa: Every Year
   • The History of Africa: Every Year  

3. Music
mrgice3 Gladiator The Battle Super Theme Song
   • Gladiator  The Battle Super Theme Song