Chronology of World War II

Wednesday, May 13

U-Boat Victim Mexican Tanker Portrero del Llano

U-Boat Victim Mexican Tanker <i>Portrero del Llano</i> — The victim of the German u-boat U-564 in this photo is the Mexican tanker Portrero del Llano. The Mexican ship was en route to New York. After the Germans sunk a 2nd Mexican tanker on May 22, 1942, Mexico declared war on Nazi Germany.