compare the battle of Lugdunum in the early 3rd century which saw up to 150,000 men on the field to the battle of Agincourt, a key battle of the 100 years war which only saw maybe 30,000 men. What did contemporary scholars think of this?
/u/Iphikrates has previously answered:
/u/Noble_Devil_Boruta has previously answered How did the Romans keep such a large standing army when medieval rulers couldn't even come close to it's size? (see correction below)
/u/qed1 has previously answered How much did the people of Europe during the Dark Ages know about Rome?
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