The Wars or Religion started in 1562 and ended with The Edict of Nantes in1598.
manichaeism: the conflict between light and darkness
The medieval empire in central Europe was the Holy Roman Empire.
world war 1
Two cities in India changed their name to Sarai after years of religious conflict over the name. Sarai was a neutral name chosen because it is not featured in any religious texts.
ooze
The Alps, central Europe Altal Mountains (also spelled Altay), central Asia
The proper name, a mountainous country in Europe, is spelled Switzerland.
The militant struggle
The Central Powers get their name from their location in Europe. Nearly every country involved was located in the central area between the Russian Empire and the United Kingdom and France.
Carpathian
aquitaine basin
Central Europe, perhaps.