Coahuila y Tejas
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This flag is a former version of Mexico.
Version used 1821–1823
The first tricolor had a crowned eagle in the center of the white stripe.
Republican design adopted
The crown was removed from the eagle, a serpent was added, and oak and laurel branches were placed beneath the emblem.
Imperial flag redesigned
A decree adopted a new imperial coat of arms for the flag, replacing the earlier emblem with a European-styled design.
Republican flag restored
The republican government officially restored the 1823 flag design after the Second Empire.
Carranza design decreedThis flag
A decree prescribed a side-facing eagle and a revised coat of arms, taking effect on October 1, 1916.
Coat of arms revised
A decree made Jorge Enciso’s revised coat of arms the official design for use on flags.
Current flag adopted
The current national flag design was adopted, retaining the tricolor and revising and standardizing the coat of arms and flag proportions.
Design confirmed by law
A new national symbols law confirmed the existing flag and coat of arms without changing their design.
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