Originally Posted by RickyD
—the eagle displaced by a sign based on the chi-rho monogram,...

... Constantine incontrovertibly adopted it as a token of his Christian allegiance.


Can you elaborate on his christian allegiance at such time?...was he baptised and in receipt
of the holy spirit? [ie] what allegiance can you have without such?

Constantine enaged in battle at Milvian Bridge apparently in the name of the Christian God,
allegedly having received instructions in a dream to mark his troops shields with (XP)Chi-Rho.

but bear in mind such account was given by the Christian apologist Lactantius.


Originally Posted by RickyD

The military standard or ensign carried by the Roman legions was normally a metal pole surmounted
by a figure of an eagle and often bearing other decorative features....


Eagle(Aquila) we could call the most famous in some respects, but there were a whole variety
of Imperial Standards that did not display the eagle.

The Signum military Standard, maybe more widely recognized as an icon of Ancient Rome
than the Aquila. .. carried by individual legionary and auxiliary Century units of a Legion.
The "massed" signums were generally carried at the head of a Legion while on the march,
but there could be an Eagle Standard also at the head -- representing the complete Legion.


Aquila, Manus, Imago, Draco and Vexillum are the types of Std.





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