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
Battle of Port-en-Bessin to prepare to attack the German positions in and around Port-en-Bessin early next morning. The main defences of Port-en-Bessin were on high cliffs known as the Western and Eastern features, either side of the hollow in which the port lay. An entrenched and concreted position had been built just south of the port on the Bayeux road, with more defences in the harbour. Before the wireless was repaired to arrange covering fire, the Marines began a house-to-house battle through the port. The defensive position on the Bayeux road was charged and quickly overcome and its occupants captured. In the afternoon,