Gen. Francisco Mejia, at Matamoros. A Proclamation.

The general-in-chief of the forces assembled against the enemy, to the inhabitants of this department and the troops under his command.

FELLOW-CITIZENS: - The annexation of the department of Texas to the United States, projected and consummated by the tortuous policy of the cabinet of the Union, does not yet satisfy the ambitious desires of the degenerate sons of Washington. The civilized world has already recognized in that act all the marks of injustice, iniquity, and the most scandalous violation of the rights of nations. Indelible is the stain which will for ever darken the character for virtue falsely attributed to the people of the United States; and posterity will regard with horror their perfidious conduct, and the immorality of the means employed by them to carry into effect that most degrading depredation. The right of conquest has always been a crime against humanity; but nations jealous of their dignity and reputation have endeavoured at least to cover it by the splendour of arms and the prestige of victory. To the United States, it has been reserved to put in practice dissimulation, fraud, and the basest treachery, in order to obtain possession, in the midst of peace, of the territory of a friendly nation, which generously relied upon the faith of promises and the solemnity of treaties.

The cabinet of the United States does not, however, stop in its career of usurpation. Not only does it aspire to the possession of the department of Texas, but it covets also the regions on the left bank of the Rio Bravo. Its army, hitherto for some time stationed at Corpus Christi, is now advancing to take possession of a large part of Tamaulipas; and its vanguard has arrived at the Arroya Colorado, distant eighteen leagues from this place. What expectations, therefore, can the Mexican government have of treating with an enemy, who, whilst endeavouring to lull us into security, by opening diplomatic negotiations, proceeds to occupy a territory which never could have been the object of the pending discussion? The limits of Texas are certain and recognized; never have they extended beyond the river Nueces; notwithstanding which, the American army has crossed the line separating Tamaulipas from that department. Even though Mexico could forget that the United States urged and aided the rebellion of the former colonists, and that the principle, giving to an independent people the right to annex itself to another nation, is not applicable to the case, in which the latter has been the protector of the independence of the former, with the object of admitting it into its own bosom; even thought it could be accepted as an axiom of international law, that the violation of every rule of morality and justice might serve as a legitimate title for acquisition; nevertheless, the territory of Tamaulipas would still remain beyond the law of annexation, sanctioned by the American Congress; because that law comprises independent Texas, the ground occupied by the rebellious colony, and in no wise includes other departments, in which the Mexican government has uninterruptedly exercised its legitimate authority.

Fellow-countrymen: With an enemy which respects not its own laws, which shamelessly derides the very principles invoked by it previously, in order to excuse its ambitious views, we have no other resource than arms. We are fortunately always prepared to take them up with glory, in defence of our country; little do we regard the blood in our veins, when we are called on to shed it in vindication of our honour, to assure our nationality and independence. If to the torrent of devastation which threatens us it be necessary to oppose a dike of steel, our swords will form it; and on their sharp points will the enemy receive the fruits of his anticipated conquest. If the banks of the Panuco have been immortalized by the defeat of an enemy, respectable and worthy of the valour of Mexico, those of the Bravo shall witness the ignominy of the proud sons of the north, and its deep waters shall serve as the sepulchre for those who dare to approach it. The flames of patriotism which burns in our hearts will receive new fuel from the odious presence of the conquerors; and the cry of Dolores and Iguala shall be re-echoed with harmony to our ears, when we take up our march to oppose our naked breasts to the rifles of the hunters of the Mississippi.

FRANCISCO MEJIA.

Matamoros, March 18, 1846.

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Citation: Steven R. Butler, ed. A Documentary History of the Mexican War (Richardson, Texas: Descendants of Mexican War Veterans, 1995), p. 25.