Mexican Revolution revolution was in 1914, during the "Ypiranga" incident. When United States intelligence agents received word that the "Ypiranga", a German merchant ship, contained illegal firepower for Huerta, President Wilson ordered American troops to the port of Veracruz to stop the ship from docking. Wilson never actually declared war on Mexico. The United States skirmished with Huerta's troops in Veracruz. The "Ypiranga" successfully docked at another port and unloaded the arms, which greatly angered Wilson. The ABC Powers arbitrated and U.S. troops left Mexican soil, but the incident added to already tense Mexican-American relations. In 1916, in retaliation for Pancho Villa's
Mexican heraldry English origin. The descent of Spanish arms and titles differs from much of Europe in that they can be inherited through females. Also, illegitimacy did not prevent the descent of arms and titles. The great Spanish families believed that a family pedigree could be more damaged by misalliance than by illegitimacy. Indeed, the patents of nobility of many Spanish families contained bequeathals to illegitimate branches in case no legitimate heirs were found. Illegitimacy in Spain was divided into three categories. Mexican heraldry Mexican heraldry (in Spanish: "Heráldica Mexicana"), has no precise rules, because its evolution has been according to the