How about less than 50%?
99.99% of Western Europe were mere savages with no civilization until not long ago. The only exceptions are the Hellenic and Roman ones who are newcomers compared to the older Asian/Egyptian ones.
Greeks never build any large empires other than the very SHORT-LIVED "Alexander the Great" one. Which is nowhere close to being the largest empire, lol.
en.wikipedia.org
Most dominant, no such thing. If anything that is probably the US empire of today.
Rest of your post is delusion.
As for wars, you should know about that, as you are masters of slaughtering each other historically speaking.
Take a look at the map of wars in the past 4000 years.
View attachment 856745
Search the interactive map to see where major battles in history have occurred and the 'bloodiest' parts of the world
www.telegraph.co.uk
Good luck, you will need it.