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Informative about the Eastern heavy cavalry, thanks!

But it was 500+ years between the fall of the Roman empire and heavy cavalry owning the battle field in Western Europe?

that warming up took the whole first millennium, and the degree of the warming up that severely impacted grain production in Mediterranean (while at the same time enabling better agriculture and thus resulting in population growth north of Danube) wasn't necessary the same that made the German forests dry enough to make heavy cavalry use feasible. Before heavy cavalry, it made it dry just enough for the Goths/"barbarians" (and don't forget the Huns) tribes to move efficiently through starting in the 3rd-4th century. In many cases they had cavalry and since then it was down the hill toward the 7th-8th century emergence of the knights.

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