Conversation so far:
what does each color on the mexican flag represent
In Article 3 of Mexico's Flag Law does not give an official symbolism to the colors, other meanings may be given to them.
when was the most recent mexican flag adopted
The current flag of Mexico was adopted on September 16, 1968.
what is in the coat of arms of mexico
The coat of arms of Mexico depicts a Mexican (golden) eagle perched on a prickly pear cactus devouring a rattlesnake.

Question: what does the eagle represent
Self-contained rewrite: what does the eagle on the coat of arms of mexico represent