Diary of Sgt. Philip Olson who served in World War I with the 25th Regiment Engineers, United States Army. After his enlistment, he departed New York for France on October 31, 1917, aboard the transport ship Agamemnon. The journey was eventful due to fears about German U-boats, and an accident which involved their ship being rammed. Upon arrival in France, Olson took part in a number of projects including the building of a docks and doing engineering at the front in Verdun. In addition, he had various duties including working for the supply sergeant, warehouse work, and distributing kits through camp. These duties were performed in a number of locations in France including Brest, Bordeaux, Verdun, and Paris. At the close of the war, Olson took a trip to Monaco and Monte Carlo. After the signing of the Armistice in November 1918, Olson stayed for a time in France. During this time, he and the 25th Engineers aided in construction and rebuilding projects. In March of 1919, Olson returned to the United States by way of New York.