History Center of Europe changed from Greece to France after Umayyad conquests

Anfänger

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The image highlights a striking shift in coin flow patterns before and after the Arab conquests. In the first map (450–630 AD), coin flows center around the eastern Mediterranean, showing Byzantine dominance. After the Arab conquests (713–900 AD), flows shift westward, particularly towards France and northern Europe. This illustrates how Arab expansion reoriented trade and economic activity, reducing Byzantine influence and elevating the Frankish region as a key European economic hub.


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Full paper: https://www.wcfia.harvard.edu/sites/projects.iq.harvard.edu/files/wcfia/files/coins.pdf
 
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France is Western Europe not Northern Europe.
 
Not a big fun of Islam
But i can't ignore the facts
A lot by the hand of e-m81
They were amazing warriors i give them that
The elite of Islamic rulers in Iberia were j1
But the soldiers were mainly Berbers e-m81
( we see that in Nimes France, Sicily, Spain Valencia,
There is a future paper on early Islamic graves from Pamplona And from early thesis of it e-m81 does appear there )🤔
1735479868203.png


p.s
in other words much of the success of the conquests of Islam in the west in the 8-10th centuries should be thanks to the e-m81 soldiers
 
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Interesting maps, I think my J1-FGC6035 lineage well established in Northern Portugal as "Cristãos Velhos" around the fall of the Roman Empire (Iranian Alanic hypothesis via TMRCA) participated, fought and won the Medieval Wars against the Islamic Caliphate, the Almoravids, Almohads in Portugal creating the Christian Portuguese Kingdom and Seaborne Empire while our Iranian "lineage cousins" lost the religious war in the Caspian Sea.
The Portuguese Empire would go around the ocean (volta do mar) to conquer Brazil and reach the Red Sea and the Persian Gulf in the 16th century.
Portuguese Christian J1-FGC6035 is a completely different clade from the Islamic J1-P58 from the Arab tribes or the Jewish sects, both expelled from Portugal in the religious wars or converted to the local Catholic religion.
 
The main connection between the the Islamic lands and Christendom appear to be Andalusia and Sicily.
In late antiquity all the regions appear much more connected instead of being split into Islamic and Christian.
I'm surprised by the sparsity of connections to Egypt in both maps, for a region with such a high population density and central position. I only skimmed through the paper though they could have an explanation in there.
 
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