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
Corps of Colonial Marines of Bladensburg, and the other two companies took part in the burning of Washington. One of the firing parties was led by Second Lieutenant Lewis Agassiz (1793–1866); for his part in the battle, his family was later granted a coat of arms depicting a torch. Casualties suffered by the Colonial Marines during this action were one man killed and three wounded. On 3 September 1814, three companies of the Colonial Marines joined with three remaining companies of Royal Marines to form the 3rd Battalion, Royal and Colonial Marines. Later that month, all three companies fought at the Battle of North